Bore d O.D.D. Width B or W rs min da min Da max ras max e Y1 Y2 Y0
| 2.7559 (in) 5.9055 (in) 2.0079 (in) 0.0827 (in) 3.2283 (in) 5.4331 (in) 0.0787 (in) 0.0146 (in) 0.0713 (in) 0.1063 (in) 0.0697 (in)
| 70.000 (mm) 150.000 (mm) 51.000 (mm) 2.100 (mm) 82.000 (mm) 138.000 (mm) 2.000 (mm) 0.370 (mm) 1.810 (mm) 2.700 (mm) 1.770 (mm)
| 系列 Intrnl Dsgn Cage Ring Mod. Internal Clr. Tolerance | 231 B
D1 C2
| 231 Spherical Roller Bearing 系列 Asym公制al rollers Standard cage Lubrication holes and groove Clearance less than normal Class 0 (equiv. to ABEC 1); standard |