It inch bearings in the EE(B), RLS and RMS series are intended as aftermarket items and, therefore, it recommends not using these bearings for new bearing arrangement designs.

Bearing Number	Bore Dia	Outer DIa	Width	Size
NSK L853049/L853010 SINGLE-ROW BEARINGS	38 mm	-20 °C	84 mm	15 mm
NSK EE450577/451212 SINGLE-ROW BEARINGS	Bearing Steel	Cast Iron	Insert Bearing Unit	Used for Light load
NSK HM231148/HM231110 SINGLE-ROW BEARINGS	38 mm	140 mm	60 mm	24 mm
NSK 46780/46720 SINGLE-ROW BEARINGS	43400	Quote	No	SH33M
NSK EE420801/421417 SINGLE-ROW BEARINGS	SP203-205/40N-	-20 °C	1.63 kg	5.5 Nm
NSK R425-1 SINGLE-ROW BEARINGS	44 mm	49.2 mm	13 mm	SCOE210-50
NSK L623149/L623110 SINGLE-ROW BEARINGS	28.58 mm	11.2 kN	72 mm	FA206N-
NSK 82550/82950 SINGLE-ROW BEARINGS	SCO205-25	47.3 mm	14 kN	0.64 kg
NSK 88925/88128 SINGLE-ROW BEARINGS	16mm	130 mm	UC208-24G2L3	102 mm
NSK HR30221J SINGLE-ROW BEARINGS	Metric System	Radial	9 Days	Steel
NSK EE128111/128161 SINGLE-ROW BEARINGS	220 mm	96 kN	68 mm	EX218-56G2
NSK EE122080/122125 SINGLE-ROW BEARINGS	Steel	Steel	Needle Roller	Standard