| Bearing No. | Basic Dimensions （mm） | Ball | Weight （Kg） | Basic load ratings | Limiting Speed (rpm) | Interchange | ||||||
| d | D | B | Radial Co(N) | Radial Cr(N) | Thrust Co(N) | Thrust Cr(N) | KAYDON | SILVERTHIN | ||||
| PAC250 | 635 | 654.05 | 9.525 | 288 | 1.22 | 66 280 |
14 380 |
192 520 |
40 080 |
790 | KC250AR0 | SC250AR0 | PAD250 | 635 | 660.4 | 12.7 | 204 | 2.173 | 89 590 |
21 830 |
258 620 |
60 230 |
780 | KD250AR0 | SD250AR0 |
| PAF250 | 635 | 673.1 | 19.05 | 142 | 4.944 | 154 350 |
42 640 |
445 710 |
116 100 |
780 | KF250AR0 | SF250AR0 | PAG250 | 635 | 685.8 | 25.4 | 104 | 8.845 | 219 210 |
67 790 |
632 980 |
184 250 |
770 | KG250AR0 | SG250AR0 |
| PAC300 | 762 | 781.05 | 9.525 | 345 | 1.456 | 79 890 |
15 840 |
230 640 |
45 190 |
660 | KC300AR0 | SC300AR0 | PAD300 | 762 | 787.4 | 12.7 | 244 | 2.599 | 107 160 |
24 010 |
309 330 |
67 880 |
660 | KD300AR0 | SD300AR0 |
| PAF300 | 762 | 800.1 | 19.05 | 170 | 5.897 | 184 780 |
46 850 |
533 340 |
130 910 |
650 | KF300AR0 | SF300AR0 | PAG300 | 762 | 812.8 | 25.4 | 124 | 10.569 | 261 380 |
74 230 |
754 420 |
204 710 |
650 | KG300AR0 | SG300AR0 |
| PAF350 | 889 | 927.1 | 19.05 | 198 | 6.849 | 215 200 |
50 630 |
621 420 |
144 920 |
560 | KF350AR0 | SF350AR0 | PAG350 | 889 | 939.8 | 25.4 | 144 | 12.292 | 303 550 |
79 990 |
876 300 |
226 150 |
560 | KG350AR0 | SG350AR0 |
| PAF400 | 1016 | 1054.1 | 19.05 | 226 | 7.802 | 245 630 |
54 030 |
709 050 |
158 270 |
490 | KF400AR0 | SF400AR0 | PAG400 | 1016 | 1066.8 | 25.4 | 164 | 13.971 | 345 720 |
85 200 |
998 180 |
246 610 |
490 | KG400AR0 | SG400AR0 |
