d - 630 mm

D - 1 030 mm

B - 315 mm

C - 315 mm

r min. - 7,5 mm

da min. - 666 mm

Da max. - 994 mm

ra max. - 6 mm

Weight - 1 050 Kg

Basic dynamic load rating (C) - 9 600 kN

Basic static load rating (C0) - 19 900 kN

(Grease) Lubrication Speed - 250 r/min

(Oil) Lubrication Speed - 320 r/min

Calculation factor (e) - 0,3

Calculation factor (Y0) - 2,22

Calculation factor (Y1) - 2,27

Calculation factor (Y2) - 3,38

• Model Number: 231/630B
• Inner Diameter：630mm Outer Diameter：1030mm Width：315mm
• Type：Spherical Roller Bearings
• Update date：2025-12-10
• Application:other lathe,electromagnetic clutch,mathematical instruments,flow control valve,Digital Generator,industrial fans,Broadcasting System,generator,small diesel generators,Dental Equipment,Solenoid Valves
• Similar models:ISO 23152KCW33+H3152 SKF 23134CCK/W33 CX 22313CW33 NKE 231/500-K-MB-W33 ISO 23168KW33 FAG 23130-E1A-M ISB 22313EKW33+H2313 ISB 22312K ISB 23184EKW33+OH3184 FAG 231/500-B-MB
• BEARING POWER International Trading Co.,Ltd. specialize in 231/630B products，there is large inventory of NTN 231/630B . We has been built up long-term cooperation with NTN company, could make a bulk order of the 231/630B Which NTN 231/630B is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  14117A/14274A	30	68,956	19,845	Timken	Tapered Roller Bearings
  14137A/14276	34,925	69,012	19,845	NSK	Tapered Roller Bearings
  2LA-HSE909CG/GNP42	45	68	12	NTN	Angular Contact Ball Bearings
  2RNU11603	580,000	1000,000	350,000	NTN	Cylindrical Roller Bearings
  32052 X	400	260	87	SKF	Tapered Roller Bearings
  637 VV	7	26	9	NSK	Deep Groove Ball Bearings
  66200R/66461	50,8		31,75	KOYO	Tapered Roller Bearings
  6901-2RD	12	24	6	KOYO	Deep Groove Ball Bearings
  7306	30	72	19	KOYO	Angular Contact Ball Bearings
  BK1520	15	21	20	CX	Cylindrical Roller Bearings
  EXP203	17			SNR	Bearing Units
  FYNT 55 L	55	70	15	SKF	Bearing Units
  K100X107X31	100	107	31	FBJ	Needle Roller Bearings
  NK26X35X25-2/3AS?	26	35	25	NTN	Cylindrical Roller Bearings
  SM1101KB	26,9875	62	36,51	Timken	Deep Groove Ball Bearings
  GE8E	8	16	8	FAG	SPHERICAL PLAIN BEARINGS
  71809-B-TVH	45	58	7	INA	ANGULAR CONTACT BALL BEARINGS
  NKI12/20	12	24	20	INA	NEEDLE BEARINGS
  NJ-2032E	160	240	48	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  IR-65x75x60	65		601	CONSOLIDATED	NEEDLE BEARINGS