Bore d O.D.D. Width B or W rs min da min Da max ras max e Y1 Y2 Y0
| 5.5118 (in) 8.8583 (in) 2.6772 (in) 0.0827 (in) 5.9842 (in) 8.3858 (in) 0.0787 (in) 0.0118 (in) 0.0886 (in) 0.1319 (in) 0.0866 (in)
| 140.000 (mm) 225.000 (mm) 68.000 (mm) 2.100 (mm) 152.000 (mm) 213.000 (mm) 2.000 (mm) 0.300 (mm) 2.250 (mm) 3.350 (mm) 2.200 (mm)
| 系列 Intrnl Dsgn Cage Ring Mod. Internal Clr. Tolerance | 231 B L1 KD1
| 231 Spherical Roller Bearing 系列 Asym公制al rollers Machined brass cage 1/12 tap. bore, Lub holes %26 groove on outer/inner ring Normal internal clearance Class 0 (equiv. to ABEC 1); standard |