If you are looking for a high-precision, high-rigidity bearing for your medical device, robotic joint, aerospace equipment or optical instrument, the PX4 thin section ball bearing is undoubtedly your ideal choice.
In today's pursuit of miniaturization and high precision, PX4 point-contact thin section ball bearings have become a critical component in precision machinery design. They not only ensure stable operation but also represent the ultimate pursuit of lightweighting and space efficiency. If you're looking for a high-precision, high-rigidity bearing for medical devices, robotic joints, aerospace equipment, or optical instruments, the PX4 thin section ball bearing is undoubtedly your ideal choice.
| Type | Major dimensions | Weight | Rated loading | Limiting Speed | Equivalent | |||||||||
| Radial | Thrust | |||||||||||||
| d | D | B | Static | Static | Dynamic | KATDON | SILVERTHIN | |||||||
| in | mm | in | mm | in | mm | kg | C0（N） | Cr（N） | C0（N） | Cr（N） | RPM | |||
| PXAA10 | 1 | 25.4 | 1.375 | 34.925 | 0.1875 | 4.763 | 0.014 | 1,290 | 1,099 | 3,247 | 1,646 | 10,110 | KAA10XL0 | SAA10XL0 |
| PXAA15 | 1.5 | 38.1 | 1.875 | 47.625 | 0.1875 | 4.763 | 0.018 | 1,779 | 1,317 | 4,448 | 2,046 | 7,110 | KAA15XL0 | SAA15XL0 |
| PXA020 | 2 | 50.8 | 2.5 | 63.5 | 0.25 | 6.35 | 0.045 | 3,025 | 2,286 | 7,606 | 3,514 | 5,330 | KA020XP0 | SA020XP0 |
| PXB020 | 2 | 50.8 | 2.625 | 66.675 | 0.3125 | 7.938 | 0.073 | 4,137 | 3,372 | 10,409 | 5,026 | 5,190 | KB020XP0. | SB020XP0 |
| PXA025 | 2.5 | 63.5 | 3 | 76.2 | 0.25 | 6.35 | 0.059 | 3,692 | 2,593 | 9,297 | 4,048 | 4,360 | KA025XP0 | SA025XP0 |
| PXB025 | 2.5 | 63.5 | 3.125 | 79.375 | 0.3125 | 7.938 | 0.091 | 5,071 | 3,772 | 12,633 | 5,738 | 4,270 | KB025XP0. | SB025XP0 |
| PXA030 | 3 | 76.2 | 3.5 | 88.9 | 0.25 | 6.35 | 0.068 | 4,404 | 2,375 | 6,539 | 4,493 | 3,690 | KA030XP0 | SA030XP0 |
| PXB030 | 3 | 76.2 | 3.625 | 92.075 | 0.3125 | 7.938 | 0.109 | 5,961 | 4,150 | 14,902 | 6,405 | 3,620 | KB030XP0 | SB030XP0 |
| PXA035 | 3.5 | 88.9 | 4 | 101.6 | 0.25 | 6.35 | 0.082 | 5,071 | 3,118 | 8,229 | 4,938 | 3,200 | KA035XP0 | SA035XP0 |
| PXB035 | 3.5 | 88.9 | 4.125 | 104.775 | 0.3125 | 7.938 | 0.122 | 6,850 | 4.51 | 17,170 | 7,073 | 3,150 | KB035XP0 | SB035XP0 |
| PXA040 | 4 | 101.6 | 4.5 | 114.3 | 0.25 | 6.35 | 0.086 | 5,738 | 3,363 | 14,323 | 5,382 | 2,820 | KA040XP0 | SA040XP0 |
| PXB040 | 4 | 101.6 | 4.625 | 117.475 | 0.3125 | 7.938 | 0.136 | 7,784 | 4,853 | 19,439 | 7,651 | 2,780 | KB040XP0 | SB040XP0 |
| PXC040 | 4 | 101.6 | 4.75 | 120.65 | 0.375 | 9.525 | 0.204 | 9,341 | 6,303 | 23,398 | 9,831 | 2,740 | KC040XP0 | SC040XP0 |
| PXD040 | 4 | 101.6 | 5 | 127 | 0.5 | 12.7 | 0.354 | 13,701 | 10,280 | 34,251 | 15,658 | 2,670 | KD040XP0 | SD040XP0 |
| Type | Major dimensions | Weight | Rated loading | Limiting Speed | Equivalent | |||||||||
| Radial | Thrust | |||||||||||||
| d | D | B | Static | Static | Dynamic | KATDON | SILVERTHIN | |||||||
| in | mm | in | mm | in | mm | kg | Co（N） | Cr（N） | C0（N） | Cr（N） | RPM | |||
| PXF040 | 4 | 101.6 | 5.5 | 139.7 | 0.75 | 19.05 | 0.862 | 23,842 | 20,751 | 59,606 | 30,381 | 2,530 | KF040XP0 | SF040XP0 |
| PXG040 | 4 | 101.6 | 6 | 152.4 | 1 | 25.4 | 1.633 | 36,520 | 35,492 | 91,278 | 50,087 | 2,400 | KG040XP0 | SG040XP0 |
| PXA042 | 4.25 | 107.95 | 4.75 | 120.65 | 0.25 | 6.35 | 0.091 | 6,094 | 3,483 | 15,168 | 5,605 | 2,670 | KA042XP0 | SA042XP0 |
| PXB042 | 4.25 | 107.95 | 4.875 | 123.825 | 0.3125 | 7.938 | 0.141 | 8,140 | 4,982 | 20,328 . | 7,918 | 2,630 | KB042XP0 | SB042XP0 |
| PXC042 | 4.25 | 107.95 | 5 | 127 | 0.375 | 9.525 | 0.213 | 9,875 | 6,512 | 24,732 | 10,186 | 2,590 | KC042XP0 | SC042XP0 |
| PXD042 | 4.25 | 107.95 | 5.25 | 133.35 | 0.5 | 12.7 | 0.376 | 14,190 | 10,476 | 35,497 | 16,014 | 2,530 | KD042XP0 | SD042XP0 |
| PXF042 | 4.25 | 107.95 | 5.75 | 146.05 | 0.75 | 19.05 | 0.907 | 25,088 | 21,329 | 62,764 | 31,449 | 2,400 | KF042XP0 | SF042XP0 |
| PXG042 | 4.25 | 107.95 | 6.25 | 158.75 | 1 | 25.4 | 1.724 | 36,520 | 35,217 | 91,278 | 50,087 | 2,290 | KG042XP0 | SG042XP0 |
| PXA045 | 4.5 | 114.3 | 5 | 127 | 0.25 | 6.35 | 0.1 | 6,405 | 3,599 | 16,014 | 5,827 | 2,530 | KA045XP0 | SA045XP0 |
| PXB045 | 4.5 | 114.3 | 5.125 | 130.175 | 0.3125 | 7.938 | 0.15 | 8,674 | 5,182 | 21,707 | 8,229 | 2,490 | KB045XP0 | SB045XP0 |
| PXC045 | 4.5 | 114.3 | 5.25 | 133.35 | 0.375 | 9.525 | 0.218 | 10,409 | 2,269 | 26,067 | 10,587 | 2,460 | KC045XP0 | SC045XP0 |
| PXD045 | 4.5 | 114.3 | 5.5 | 139.7 | 0.5 | 12.7 | 0.399 | 15,213 | 10,916 | 37,810 | 16,770 | 2,400 | KD045XP0 | SD045XP0 |
| PXF045 | 4.5 | 114.3 | 6 | 152.4 | 0.75 | 19.05 | 0.953 | 26,378 | 21,899 | 65,878 | 32,472 | 2,290 | KF045XP0 | SF045XP0 |
| PXG045 | 4.5 | 114.3 | 6.5 | 165.1 | 1 | 25.4 | 1.841 | 38,966 | 36,498 | 97,372 | 52,267 | 2,180 | KG045XP0 | SG045XP0 |
| PXA047 | 4.75 | 120.65 | 5.25 | 133.35 | 0.25 | 6.35 | 0.104 | 6,761 | 3,710 | 16,859 | 6,005 | 2,400 | KA047XP0 | SA047XP0 |
| PXB047 | 4.75 | 120.65 | 5.375 | 136.525 | 0.3125 | 7.938 | 0.154 | 9,030 | 5,307 | 22,597 | 8,452 | 2,370 | KB047XP0 | SB047XP0 |
| PXC047 | 4.75 | 120.65 | 5.5 | 139.7 | 0.375 | 9.525 | 0.227 | 10,943 | 6,921 | 27,401 | 10,943 | 2,340 | KC047XP0 | SC047XP0 |
| PXD047 | 4.75 | 120.65 | 5.75 | 146.05 | 0.5 | 12.7 | 0.426 | 15,702 | 11,103 | 39,322 | 17,170 | 2,290 | KD047XP0 | SD047XP0 |
| PXF047 | 4.75 | 120.65 | 6.25 | 158.75 | 0.75 | 19.05 | 0.998 | 27,623 | 22,455 | 69,036 | 33,495 | 2,180 | KF047XP0 | SF047XP0 |
| PXG047 | 4.75 | 120.65 | 6.75 | 171.45 | 1 | 25.4 | 1.86 | 41,368 | 37,752 | 103,466 | 54,402 | 2,090 | KG047XP0 | SG047XP0 |
| PXA050 | 5 | 127 | 5.5 | 139.7 | 0.25 | 6.35 | 0.109 | 7,073 | 3,821 | 17,704 | 6,228 | 2,290 | KA050XP0 | SA050XP0 |
| PXB050 | 5 | 127 | 5.625 | 142.875 | 0.3125 | 7.938 | 0.172 | 9,564 | 5,498 | 23,931 | 8,807 | 2,260 | KB050XP0 | SB050XP0 |
| PXC050 | 5 | 127 | 5.75 | 146.05 | 0.375 | 9.525 | 0.263 | 11,521 | 7,117 | 28,736 | 11,298 | 2,230 | KC050XP0 | SC050XP0 |
| PXD050 | 5 | 127 | 6 | 152.4 | 0.5 | 12.7 | 0.454 | 16,725 | 11,530 | 41,858 | 17,882 | 2,180 | KD050XP0 | SD050XP0 |
| PXF050 | 5 | 127 | 6.5 | 165.1 | 0.75 | 19.05 | 1.043 | 28,869 | 23,006 | 72,150 | 34,518 | 2,090 | KF050XP0 | SF050XP0 |
| PXG050 | 5 | 127 | 7 | 177.8 | 1 | 25.4 | 1.95 | 43,815 | 38,975 | 109,515 | 56,537 | 2,000 | KG050XP0 | SG050XP0 |
| PXA055 | 5.5 | 139.7 | 6 | 152.4 | 0.25 | 6.35 | 0.113 | 7,784 | 4,039 | 19,394 | 6,583 | 2,090 | KA055XP0 | SA055XP0 |
| PXB055 | 5.5 | 139.7 | 6.125 | 155.575 | 0.3125 | 7.938 | 0.186 | 10,498 | 5,800 | 26,200 | 9,341 | 2,060 | KB055XP0 | SB055XP0 |
| PXC055 | 5.5 | 139.7 | 6.25 | 158.75 | 0.375 | 9.525 | 0.268 | 12,588 | 7,504 | 31,404 | 11,966 | 2,040 | KC055XP0 | SC055XP0 |
| PXD055 | 5.5 | 139.7 | 6.5 | 165.1 | 0.5 | 12.7 | 0.481 | 18,238 | 12,121 | 45,639 | 18,949 | 2,000 | KD055XP0 | SD055XP0 |
| PXF055 | 5.5 | 139.7 | 7 | 177.8 | 0.75 | 19.05 | 1.134 | 31,360 | 24,087 | 78,422 | 36,475 | 1,920 | KF055XP0 | SF055XP0 |
| Type | Major dimensions | Weight | Rated loading | Limiting Speed | Equivalent | |||||||||
| Radial | Thrust | |||||||||||||
| d | D | B | Static | Static | Dynamic | KATDON | SILVERTHIN | |||||||
| in | mm | in | mm | in | mm | kg | Co（N） | Cr（N） | Co（N） | Cr（N） | RPM | |||
| PXG055 | 5.5 | 139.7 | 7.5 | 190.500 | 1 | 25.4 | 2.132 | 46,262 | 39,941 | 115,609 | 58,628 | 1,850 | KG055XP0 | SG055XP0 |
| PXA060 | 6 | 152.4 | 6.5 | 165.1 | 0.25 | 6.35 | 0.127. | 8,452 | 4,248 | 21,085 | 6,984 | 1,920 | KA060XP0 | SA060XP0 |
| PXB060 | 6 | 152.4 | 6.625 | 168.275 | 0.3125 | 7.938 | 0.2 | 11,387 | 6,099 | 28,469 | 9,875 | 1,900 | KB060XP0 | SB060XP0 |
| PXC060 | 6 | 152.4 | 6.75 | 171.45 | 0.375 | 9.525 | 0.286 | 13,656 | 7,873 | 34,073 | 12,633 | 1,880 | KC060XP0 | SC060XP0 |
| PXD060 | 6 | 152.4 | 7 | 177.8 | 0.5 | 12.7 | 0.526 | 19,795 | 12,700 | 49,464 | 19,973 | 1,850 | KD060XP0 | SD060XP0 |
| PXF060 | 6 | 152.4 | 7.5 | 190.5 | 0.75 | 19.05 | 1.225 | 33,895 | 25,137 | 84,739 | 38,388 | 1,780 | KF060XP0 | SF060XP0 |
| PXG060 | 6 | 152.4 | 8 | 203.2 | 1 | 25.4 | 2.313 | 51,110 | 42,271 | 127,797 | 62,675 | 1,710 | KG060XP0 | SG060XP0 |
| PXA065 | 6.5 | 165.1 | 7 | 177.8 | 0.25 | 6.350 | 0.136 | 9,119 | 4,453 | 22,775 | 7,340 | 1,780 | KA065XP0 | SA065XP0 |
| PXB065 | 6.5 | 165.1 | 7.125 | 180.975 | 0.3125 | 7.938 | 0.213 | 12,277 | 6,383 | 30,737 | 10,409 | 1,760 | KB065XP0 | SB065XP0 |
| PXC065 | 6.5 | 165.1 | 7.25 | 184.15 | 0.375 | 9.525 | 0.308 | 14,724 | 8.234 | 36,787 | 13,300 | 1,750 | KC065XP0 | SC065XP0 |
| PXD065 | 6.5 | 165.1 | 7.5 | 190.5 | 0.5 | 12.7 | 0.553 | 21,307 | 13,256 | 53,245 | 20,996 | 1,710 | KD065XP0 | SD065XP0 |
| PXF065 | 6.5 | 165.1 | 8 | 203.2 | 0.75 | 19.05 | 1.315 | 36,386 | 26,156 | 91,011 | 40,256 | 1,660 | KF065XP0 | SF065XP0 |
| PXG065 | 6.5 | 165.1 | 8.5 | 215.9 | 1 | 25.4 | 2.449 | 53,557 | 43,206 | 133,891 | 64,633 | 1,600 | KG065XP0 | SG065XP0 |
| PXA070 | 7 | 177.8 | 7.5 | 190.5 | 0.25 | 6.35 | 0.141 | 9,786 | 4,653 | 24,465 | 7,695 | 1,660 | KA070XP0 | SA070XP0 |
| PXB070 | 7 | 177.8 | 7.625 | 193.675 | 0.3125 | 7.938 | 0.227 | 13,211 | 6,663 | 33,006 | 10,898 | 1,640 | KB070XP0 | SB070XP0 |
| PXC070 | 7 | 177.8 | 7.75 | 196.85 | 0.375 | 9.525 | 0.331 | 15,791 | 8,590 | 39,456 | 13,923 | 1,630 | KC070XP0 | SC070XP0 |
| PXD070 | 7 | 177.8 | 8 | 203.2 | 0.5 | 12.7 | 0.594 | 22,819 | 13,803 | 57,071 | 21,974 | 1,600 | KD070XP0 | SD070XP0 |
| PXF070 | 7 | 177.8 | 8.5 | 215.900 | 0.75 | 19.05 | 1.451 | 33,139 | 27,147 | 97,283 | 42,080 | 1,550 | KF070XP0 | SF070XP0 |
| PXG070 | 7 | 177.8 | 9 | 228.6 | 1 | 25.4 | 2.631 | 58,405 | 45,407 | 146,035 | 68,503 | 1,500 | KG070XP0 | SG070XP0 |
| PXA075 | 7.5 | 190.5 | 8 | 203.2 | 0.25 | 6.35 | 0.154 | 10,453 | 4,844 | 26,156 | 8,051 | 1,550 | KA075XP0 | SA075XP0 |
| PXB075 | 7.5 | 190.5 | 8.125 | 206.375 | 0.3125 | 7.938 | 0.24 | 14,101 | 6,935 | 35,230 | 11,387 | 1,540 | KB075XP0 | SB075XP0 |
| PXC075 | 7.5 | 190.5 | 8.25 | 209.55 | 0.375 | 9.525 | 0.354 | 16,859 | 8,928 | 42,125 | 14,546 | 1,520 | KC075XP0 | SC075XP0 |
| PXD075 | 7.5 | 190.5 | 8.5 | 215.9 | 0.5 | 12.7 | 0.64 | 24,332 | 14,332 | 60,852 | 22,953 | 1,500 | KD075XP0 | SD075XP0 |
| PXF075 | 7.5 | 190.5 | 9 | 228.6 | 0.75 | 19.05 | 1.542 | 41,413 | 28,126 | 103,555 | 43,904 | 1,450 | KF075XP0 | SF075XP0 |
| PXG075 | 7.5 | 190.5 | 9.5 | 241.3 | 1 | 25.4 | 2.767 | 60,852 | 46,306 | 152,129 | 70,371 | 1,410 | KG075XP0 | SG075XP0 |
| PXA080 | 8 | 203.2 | 8.5 | 215.9 | 0.25 | 6.35 | 0.172 | 11,121 | 5,031 | 27,846 | 8,407 | 1,450 | KA080XP0 | SA080XP0 |
| PXB080 | 8 | 203.2 | 8.625 | 219.075 | 0.3125 | 7.938 | 0.259 | 14,991 | 7,197 | 37,499 | 11,877 | 1,440 | KB080XP0 | SB080XP0 |
| PXC080 | 8 | 203.2 | 8.75 | 222.25 | 0.375 | 9.525 | 0.381 | 17,926 | 9,261 | 44,794 | 15,168 | 1,430 | KC080XP0 | SC080XP0 |
| PXD080 | 8 | 203.2 | 9 | 228.6 | 0.5 | 12.7 | 0.694 | 2,580 | 14,848 | 64,677 | 23,887 | 1,410 | KD080XP0 | SD080XP0 |
| PXF080 | 8 | 203.2 | 9.5 | 241.3 | 0.75 | 19.505 | 1.588 | 43,948 | 29,069 | 109,827 | 45,639 | 1,370 | KF080XP0 | SF080XP0 |
| PXG080 | 8 | 203.2 | 10 | 254 | 1 | 25.4 | 2.948 | 65,700 | 48,406 | 164,317 | 74,063 | 1,330 | KG080XP0 | SG080XP0 |
| Type | Major dimensions | Weight | Rated loading | Limiting Speed | Equivalent | |||||||||
| Radial | Thrust | |||||||||||||
| d | D | B | Static | Static | Dynamic | KATDON | SILVERTHIN | |||||||
| in | mm | in | mm | in | mm | kg | Co（N） | Cr（N） | Co（N） | Cr（N） | RPM | |||
| PXA090 | 9 | 228.6 | 9.5 | 241.3 | 0.25 | 6.35 | 0.2 | 12,500 | 5,391 | 31,227 | 9,074 | 1,300 | KA090XP0 | SA090XP0 |
| PXB090 | 9 | 228.6 | 9.625 | 244.475 | 0.3125 | 7.938 | 0.299 | 16,814 | 7,704 | 42,036 | 12,811 | 1,290 | KB090XP0 | SB090XP0 |
| PXC090 | 9 | 228.6 | 9.75 | 247.65 | 0.375 | 9.525 | 0.426 | 20,061 | 9,902 | 50,131 | 16,325 | 1,280 | KC090XP0 | SC090XP0 |
| PXD090 | 9 | 228.6 | 10 | 254 | 0.5 | 12.7 | 0.78 | 28,913 | 15,840 | 72,284 | 25,755 | 1,260 | KD090XP0 | SD090XP0 |
| PXF090 | 9 | 228.6 | 10.5 | 266.7 | 0.75 | 19.05 | 1.769 | 48,930 | 30,902 | 122,371 | 49,064 | 1,230 | KF090XP0 | SF090XP0 |
| PXG090 | 9 | 228.6 | 11 | 279.4 | 1 | 25.4 | 3.266 | 73,040 | 51,270 | 182,555 | 79,490 | 1,200 | KG090XP0 | SG090XP0 |
| PXA100 | 10 | 254 | 10.5 | 266.7 | 0.25 | 6.35 | 0.227 | 13,834 | 5,734 | 34,607 | 9,697 | 1,170 | KA100XP0 | SA100XP0 |
| PXB100 | 10 | 254 | 10.625 | 269.875 | 0.3125 | 7.938 | 0.331 | 18,638 | 8,189 | 46,528 | 13,701 | 1,160 | KB100XP0 | SB100XP0 |
| PXC100 | 10 | 254 | 10.75 | 273.05 | 0.375 | 9.525 | 0.481 | 22,197 | 10,516 | 55,469 | 17,482 | 1,160 | KC100XP0 | SC100XP0 |
| PXD100 | 10 | 254 | 11 | 279.4 | 0.5 | 12.7 | 0.853 | 31,938 | 16,796 | 79,890 | 27,534 | 1,140 | KD100XP0 | SD100XP0 |
| PXF100 | 10 | 254 | 11.5 | 292.1 | 0.75 | 19.05 | 1.95 | 53,957 | 32,659 | 134,915 | 52,356 | 1,120 | KF100XP0 | SF100XP0 |
| PXG100 | 10 | 254 | 12 | 304.8 | 1 | 25.400 . | 3.853 | 80,335 | 54,033 | 200,793 | 84,694 | 1,090 | KG100XP0 | SG100XP0 |
| PXA110 | 11 | 279.4 | 11.5 | 292.1 | 0.25 | 6.35 | 0.236 | 15,168 | 6,058 | 37 ,988 | 10,320 | 1,070 | KA110XP0 | SA110XP0 |
| PXB110 | 11 | 279.4 | 11.625 | 295.275 | 0.3125 | 7.938 | 0.34 | 20,417 | 8,652 | 51,066 | 14,590 | 1,060 | KB110XP0 | SB1 10XP0 |
| PXC110 | 11 | 279.4 | 11.75 | 298.45 | 0.375 | 9.525 | 0.526 | 24,332 | 11,103 | 60,852 | 18,594 | 1,050 | KC1 10XP0 | SC110XP0 |
| PXD110 | 11 | 279.4 | 12 | 304.8 | 0.5 | 12.7 | 0.934 | 35,008 | 17,708 | 87 ,497 | 29.225 | 1,040 | KD110XP0 | SD1 10XP0 |
| PXF110 | 11 | 279.4 | 12.5 | 317.5 | 0.75 | 19.05 | 2.177 | 58,983 | 34,345 | 147,459 | 55,558 | 1,020 | KF110XP0 | SF110XP0 |
| PXG110 | 11 | 279.4 | 13 | 330.2 | 1 | 25.4 | 3.901 | 87,630 | 65,562 | 219.075 | 89.765 | 1 | KG110XP0 | SG110XP0 |
| PXA120 | 12 | 304.8 | 12.5 | 317 500 | 0.25 | 6.35 | 0.254 | 16,547 | 6,374 | 41,368 | 10,898 | 980 | KA120XP0 | SA120XP0 |
| PXB120 | 12 | 304.8 | 12. 6250 | 320.675 | 0.3125 | 7.938 | 0.376 | 22,241 | 9,097 | 55,603 | 15,435 | 970 | KB120XP0 | SB120XP0 |
| PXC120 | 12 | 304.8 | 12.75 | 323.85 | 0.375 | 9.525 | 0.567 | 26,467 | 11,663 | 66,190 | 19,661 | 970 | KC120XP0 | SC120XP0 |
| PXD120 | 12 | 304.8 | 13 | 330.2 | 0.5 | 12.7 | 1.021 | 38,032 | 18,585 | 95,103 | 30,915 | 960 | KD120XP0 | SD120XP0 |
| PXF120 | 12 | 304.8 | 13.5 | 342.9 | 0.75 | 19.05 | 2.359 | 64,010 | 35,959 | 160,003 | 58,672 | 940 | KF120XP0 | SF120XP0 |
| PXG120 | 12 | 304.8 | 14 | 355.6 | 1 | 25.4 | 4.218 | 94,925 | 59,228 | 237,313 | 94,658 | 920 | KG120XP0 | SG120XP0 |
| PXB140 | 14 | 355.6 | 14.625 | 371.475 | 0.3125 | 7.938 | 0.476 | 25,844 | 9,937 | 6,806 | 17,081 | 840 | KB140XP0 | SB140XP0 |
| PXC140 | 14 | 355.6 | 14.75 | 374.65 | 0.375 | 9.525 | 0.689. | 30,737 | 12,731 | 76,865 | 21,752 | 830 | KC140XP0 | SC140XP0 |
| PXD140 | 14 | 355.6 | 15 | 381 | 0.5 | 12.7 | 1.238 | 44,126 | 20,244 | 110,316 | 34,118 | 830 | KD140XP0 | SD140XP0 |
| PXF140 | 14 | 355.6 | 15.5 | 393.7 | 0.75 | 19.05 | 2.722 | 74.,063 | 39,033 | 185,135 | 64,633 | 810 | KF140XP0 | SF140XP0 |
| PXG140 | 14 | 355.6 | 16 | 406.4 | 1 | 25.4 | 4.899 | 109,515 | 64,072 | 273,833 | 104,133 | 800 | KG140XP0 | SG140XP0 |
| PXB160 | 16 | 406.4 | 16.625 | 422.275 | 0.3125 | 7.938 | 0.544 | 29,447 | 10,720 | 73,663 | 18,638 | 740 | KB160XP0 | SB160XP0 |
| PXC160 | 16 | 406.4 | 16.75 | 425.45 | 0.375 | 9.525 | 0.785 | 35,052 | 13,727 | 87,585 | 23,709 | 730 | KC160XP0 | SC160XP0 |
| Type | Major dimensions | Weight | Rated loading | Limiting Speed | Equivalent | |||||||||
| Radial | Thrust | |||||||||||||
| d | D | B | Static | Static | Dynamic | KATDON | SILVERTHIN | |||||||
| in | mm | in | mm | in | mm | kg | Co（N） | Cr（N） | Co（N） | Cr（N） | RPM | |||
| PXF160 | 16 | 406.4 | 17 | 431.8 | 0.5 | 12.7 | 1.406 | 50,220 | 21,792 | 125,440 | 37,187 | 730 | KD160XP0 | SD160XP0 |
| PXG160 | 16 | 406.4 | 17.5 | 444.5 | 0.75 | 19.05 | 3.221 | 84,071 | 41,907 | 210,223 | 70,371 | 720 | KF160XP0 | SF160XP0 |
| PXG160 | 160 | 406.4 | 18 | 457 200 | 1 | 25.4 | 5.579 | 124,150 | 68,614 | 310,352 | 113,207 | 710 | KG160XP0 | SG160XP0 |
| PXB180 | 16 | 406.4 | 18.625 | 473.075 | 0.3125 | 7.938 | 0.612 | 33,095 | 11,459 | 82,692 | 20,106 | 660 | KB180XP0 | SB180XP0 |
| PXC180 | 18 | 457.2 | 18.75 | 476.25 | 0.375 | 9.525 | 0.88 | 39,322 | 14,657 | 98,261 | 25,622 | 650 | KC180XP0 | SC180XP0 |
| PXD180 | 18 | 457.2 | 19 | 482.6 | 0.5 | 12.7 | 1.579 | 56,270 | 23,246 | 140,742 | 40,167 | 650 | KD180XP0 | SD180XP0 |
| PXF180 | 18 | 457.2 | 19.5 | 495.3 | 0.75 | 19.05 | 3.583 | 94,124 | 44,607 | 235,311 | 75,887 | 640 | KF180XP0 | SF180XP0 |
| PXG180 | 18 | 457.2 | 20 | 508 | 1 | 25.4 | 6.214 | 138,740 | 72,889 | 346,872 | 121,926 | 630 | KG180XP0 | SG180XP0 |
| PXB200 | 18 | 457.2 | 20.625 | 523.875 | 0.3125 | 7.938 | 0.68 | 36,698 | 12,148 | 91,722 | 21,574 | 590 | KB200XP0 | SB200XP0 |
| PXC200 | 20 | 508 | 20.75 | 527.05 | 0.375 | 9.525 | 0.98 | 43,593 | 15,533 | 108,981 | 27 ,446 | 590 | KC200XP0 | SC200XP0 |
| PXD200 | 20 | 508 | 21 | 533.4 | 0.5 | 12.7 | 1.746 | 62,364 | 24,616 | 155,955 | 43,014 | 590 | KD200XP0 | SD200XP0 |
| PXF200 | 20 | 508 | 21.5 | 546.1 | 0.75 | 19.05 | 4.037 . | 104,177 | 47,160 | 260,221 | 81,180 | 580 | KF200XP0 | SF200XP0 |
| PXG200 | 20 | 508 | 22 | 558.8 | 1 | 25.4 | 7.167 | 153,330 | 76,923 | 383,348 | 130,333 | 570 | KG200XP0 | SG200XP0 |
| PXC250 | 25 | 635 | 25.75 | 654.05 | 0.375 | 9.525 | 1.22 | 54,268 | 17,530 | 135,715 | 31,760 | 470 | KC250XP0 | SC250XP0 |
| PXD250 | 25 | 635 | 26 | 660.4 | 0.5 | 12.7 | 2.173 | 77,577 | 27,735 | 193,987 | 49,731 | 470 | KD250XP0 | SD250XP0 |
| PXF250 | 25 | 635 | 26.5 | 673.1 | 0.75 | 19.05 | 4.944 | 129 265 | 52,974 | 323,163 | 93,724 | 470 | KF250XP0 | SF250XP0 |
| PXG250 | 25 | 635 | 27 | 685.8 | 1 | 25.4 | 8.845 | 189,850 | 86,118 | 474,625 | 150,261 | 460 | KG250XP0 | SG250XP0 |
| PXC300 | 30 | 762 | 30.75 | 781.05 | 0.375 | 9.525 | 1.456 | 64,989 | 19,296 | 162,449 | 35,808 | 400 | KC300XP0 | SC300XP0 |
| PXD300 | 30 | 762 | 31 | 787 400 | 0.5 | 12.7 | 2.599 | 92,790 | 30,497 | 232,019 | 56,048 | 390 | KD300XP0 | SD300XP0 |
| PXF300 | 30 | 762 | 31.5 | 800.1 | 0.75 | 19.05 | 5.897 | 154,353 | 58,116 | 385,928 | 105,512 | 390 | KF300XP0 | SF300XP0 |
| PXG300 | 30 | 762 | 32 | 812.8 | 1 | 25.4 | 10.569 | 226,370 | 94,302 | 565,814 | 168,943 | 390 | KG300XP0 | SG300XP0 |
| PXF350 | 35 | 889 | 36.5 | 927.1 | 0.75 | 19.05 | 6.849 | 179,486 | 62,720 | 448,826 | 116,632 | 340 | KF350XP0 | SF350XP0 |
| PXG350 | 35 | 889 | 37 0000 | 939.8 | 1 | 25.4 | 12.292 | 262,890 | 101,620 | 657 ,002 | 186,692 | 330 | KG350XP0 | SG350XP0 |
| PXF400 | 40 | 1016 | 41.5 | 1054.1 | 0.75 | 19.05 | 7.802 | 204,574 | 66,875 | 511,546 | 127,308 | 290 | KF400XP0 | SF400XP0 |
| PXG400 | 40 | 1016 | 42 | 1066.8 | 1 | 25.4 | 13.971 | 299,410 | 108,234 | 748,636 | 203,595 | 290 | KG400XP0 | SG400XP0 |
Note
1: PRS can be customized.
2: All PRS products made of 52100/SUJ2/100Cr6/100CrMn6. If you have special requirements, plesse specify when ordering.
Traditional ball bearings are limited by their size and weight in some precision applications. The PX4 point-contact thin-walled ball bearing, with its unique design, perfectly addresses this challenge.
Extremely thin and space-saving: The bearing's extremely thin cross-section takes up minimal radial space, significantly reducing the overall size and weight of the device. This is crucial for space-constrained portable devices and lightweight robotics.
Four-point contact, high load-bearing capacity: Compared to traditional two- or three-point contact bearings, the PX4 thin-walled ball bearing utilizes an innovative four-point contact design. It can simultaneously support radial loads, axial loads, and overturning moments within the same bearing, simplifying the mechanical structure and improving overall system rigidity.
High-precision operation, stable and reliable: The bearing's interior is precision-machined to ensure extremely high rotational and positional accuracy. Even at high speeds or high frequencies, it maintains extremely low friction torque and heat generation, ensuring long-term stability and reliability.
Excellent materials and craftsmanship: Made of premium high-carbon chromium bearing steel or stainless steel, and treated with a special surface treatment, it offers excellent wear and corrosion resistance, extending its service life.
PX4 point-contact thin section ball bearings, with their unique advantages, play an irreplaceable role in numerous high-tech fields.
Medical Equipment: PX4 bearings provide reliable support in applications requiring high precision and low noise, such as MRI (magnetic resonance imaging) equipment, medical robots, and dental equipment.
Industrial Robotics: As core components in robot joints, end effectors, and reducers, they ensure high-precision motion and load capacity.
Aerospace: PX4 bearings are particularly effective in satellite antennas, optical instruments, and aircraft control systems due to their lightweight and high rigidity.
Precision Instruments: They ensure accurate and stable readings in various measuring instruments, encoders, and precision turntables.
Selecting the right PX4 thin-wall ball bearing requires comprehensive consideration of the following factors:
Load Type and Size: Determine the radial, axial, and overturning moments your application will need to withstand and select a model with the appropriate load capacity.
Speed and Accuracy: Select the appropriate tolerance grade based on the equipment's operating speed and required accuracy.
Installation Space and Dimensions: Confirm the available installation space and select the appropriate inner diameter, outer diameter, and cross-sectional dimensions.
Operating Environment: If the operating environment is humid or corrosive, we recommend stainless steel or models with special coatings.
Our professional team will provide customized solutions and technical support based on your specific needs, ensuring you select the most suitable PX4 point contact thin section ball bearing.
Contact us today for more information and technical specifications on PX4 thin section ball bearings, providing strong support for your precision equipment!
