d - 71,438 mm

D - 130,175 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

ra1 max. - 3,3 mm

a - 29,9 mm

r min. - 6,4 mm

r1 min. - 3,3 mm

Da - 116 mm

db - 81 mm

ra max. - 6,4 mm

da - 93 mm

Db - 124 mm

Weight - 2,202 Kg

Basic dynamic load rating (C) - 195 kN

Basic static load rating (C0) - 263 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 3800 r/min

Calculation factor (e) - 0,36

Calculation factor (Y0) - 0,91

Calculation factor (Y1) - 1,7

• Model Number:645/633
• Inner Diameter：71,438mm Outer Diameter：130,175mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:Roller mill,intermediate,Small air generators,glass,Other machinery,spreader series,switch,product accessories,water,hook,Industrial Adhesive
• Similar models:Fersa 645/632 Timken 645/632D+X1S-645 Timken NP296458/NP514720 Timken L44645/L44613 NACHI 645/632 NSK 6454/6420 Timken 645X/632 Timken 645/633 Timken NP182140/NP645406 Timken 644/632D+X1S-645
• BEARING POWER International Trading Co.,Ltd. specialize in 645/633 products，there is large inventory of NSK 645/633 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 645/633 Which NSK 645/633 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
  22326CJ	130	280	93	Timken	Spherical Roller Bearings
  315642/VJ202	225,45	165,1	168,3	SKF	Cylindrical Roller Bearings
  608/500	500	620	37	ISB	Deep Groove Ball Bearings
  5311	55	120	49,2	NSK	Angular Contact Ball Bearings
  539A/532X	53,975	107,95	36,512	CX	Tapered Roller Bearings
  71817 CD/P4	110	85	13	SKF	Angular Contact Ball Bearings
  CRO-7123	355,6	482,6	265,112	NTN	Tapered Roller Bearings
  GE45-UK-2RS	45	68	32	INA	Plain Bearings
  GEEM40ES-2RS	40	62	38	FBJ	Plain Bearings
  K80X86X30	80,000	86,000		NTN	Needle Roller Bearings
  NH207 E	35	72	17	CX	Cylindrical Roller Bearings
  NP202	15	35	11	ISO	Cylindrical Roller Bearings
  RNA 6901	16	24	22	NBS	Needle Roller Bearings
  SCE86	12,7	17,4498	9,525	AST	Needle Roller Bearings
  UCF320-64	101,6			FYH	Bearing Units
  ZARN3080-L-TV	30	80	82	INA	Complex Bearings
  1307	35	80	21	New Departure	DEEP GROOVE BALL BEARINGS
  FYCJ-5	5	16	12	NSK	NEEDLE BEARINGS
  GEH20C	20	42	25	SKF	SPHERICAL PLAIN BEARINGS
  RMS-231/2-L	5.5000	11.0000	2.0000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS