A1 | A2 | Chamfer r/min | | Weight |
Bore | O.D. | Width | mm | Load |
mm | mm | mm | | |
| D1 | D | B | A1 | A2 | R/min | Cw(KN) | Cow(KN) | Kg |
W1 | 4.763 | 19.56 | 7.87 | 7.9. | 11.86 | 0.3 | 2.2 | 1 | 11 |
W1X | 4.763 | 19.56 | 7.87 | 7.93 | 11.86 | 0.3 | 2.2 | 1 | 11 |
W2 | 9.525 | 30.73 | 11.1 | 12.7 | 18.24 | 0.3 | 4.9 | 2.5 | 38 |
W2X | 9.525 | 30.73 | 11.1 | 12.7 | 18.24 | 0.3 | 4.9 | 2.5 | 38 |
W3 | 12 | 45.72 | 15.88 | 19.05 | 26.98 | 0.6 | 9.4 | 4.9 | 130 |
W3X | 12 | 45.72 | 15.88 | 19.05 | 26.98 | 0.6 | 9.4 | 4.9 | 130 |
W4 | 15 | 59.94 | 19.05 | 25.4 | 34.93 | 1 | 14.8 | 8.2 | 280 |
W4X | 15 | 59.94 | 19.05 | 25.4 | 34.93 | 1 | 14.8 | 8.2 | 280 |
RM1ZZ | 4.763 | 19.56 | 7.87 | 7.9. | 11.86 | 0.3 | 2.2 | 1 | 11 |
RM1 2RS | 4.763 | 19.56 | 7.87 | 7.93 | 11.86 | 0.3 | 2.2 | 1 | 11 |
RM2ZZ | 9.525 | 30.73 | 11.1 | 12.7 | 18.24 | 0.3 | 4.9 | 2.5 | 38 |
RM2 2RS | 9.525 | 30.73 | 11.1 | 12.7 | 18.24 | 0.3 | 4.9 | 2.5 | 38 |
RM3ZZ | 12 | 45.72 | 15.88 | 19.05 | 26.98 | 0.6 | 9.4 | 4.9 | 130 |
RM3 2RS | 12 | 45.72 | 15.88 | 19.05 | 26.98 | 0.6 | 9.4 | 4.9 | 130 |
RM4ZZ | 15 | 59.94 | 19.05 | 25.4 | 34.93 | 1 | 14.8 | 8.2 | 280 |
RM4 2RS | 15 | 59.94 | 19.05 | 25.4 | 34.93 | 1 | 14.8 | 8.2 | 280 |
Size (mm) | ≈ (g) | dw | d | D | C | B |
SG15 | 8 | 6 | 5 | 17 | 8 | 5.75 |
SG15-10 | 9 | 10 | 5 | 17 | 8 | 5.75 |
SG20 | 25 | 8 | 6 | 24 | 11 | 7.25 |
SG25 | 49 | 10 | 8 | 30 | 14 | 8.5 |
SG35 | 136 | 12 | 12 | 42 | 19 | 12.5 |
SG15N | 8 | 6 | 5 | 17 | 8 | 5.75 |
SG20N | 25 | 8 | 6 | 24 | 11 | 7.25 |
SG25N | 49 | 10 | 8 | 30 | 14 | 8.5 |
SG35N | 136 | 12 | 12 | 42 | 19 | 12.5 |
LFR 50/5-4 N | 8 | 4 | 5 | 16 | 7 | 5 |
LFR 50/5-5 | 8 | 5 | 5 | 17 | 7 | 5 |
LFR 50/5 N | 8 | 6 | 5 | 17 | 7 | 5 |
LFR 50/8 N | 25 | 6 | 8 | 24 | 11 | 7 |
LFR 50/8-8 N | 25 | 8 | 8 | 24 | 11 | 7 |






Company informationZaozhuang Yiding Bearing Imp. & Exp. Co., Ltd. is specialized in bearings export production selling and after-service.
In practice for many years, we established strict quality assurance system.
Our products covers Roller Bearing, Ball Bearing, Linear bearing, Rod end bearing, Joint bearing, Stainless Steel Bearings, Ceramic bearings, Plastic bearing, Thin wall bearing, Excavator bearing, and Rotor bearing.
We do brands:NSK NTN KOYO NACHI ASAHI IKO THK UBC NMB and DPI.
We do OEM service