d - 71,438 mm

D - 136,525 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

R - 3,6 mm

r - 3,3 mm

a - -11,2 mm

Da - 125 mm

db - 87 mm

da - 81 mm

Db - 118 mm

Aa - 4,2 mm

Ab - 1,9 mm

Weight - 2,57 Kg

Basic static load rating (C0) - 298 kN

Factor (G1) - 106,4

Factor (G2) - 21

Factor (Cg) - 0,0205

Factor (K) - 1,61

Basic dynamic load rating (C90) - 55,9

Basic dynamic load rating (Ca90) - 34,7

Basic dynamic load rating (C1) - 216 kN

Calculation factor (e) - 0,36

Calculation factor (Y) - 1,66

• Model Number:644/632
• Inner Diameter：71,438mm Outer Diameter：136,525mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:agricultural testing and analysis equipment and related,disposable,marine test,food sterilization,pressure control valve,safety testing,Low-voltage electrical equipment,electronic components,sucker industry,car shock absorber,cleaning agent
• Similar models:ISO 644/632 CX HM516442/10 NTN T-HM266446/HM266410D+A CX HM516449/10 KOYO HM266448/HM266410 Timken 64452A/64713 CX 644/632 Timken 64433/64700 KOYO 47TS845644 FBJ HM516448/HM516410
• BEARING POWER International Trading Co.,Ltd. specialize in 644/632 products，there is large inventory of Timken 644/632 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 644/632 Which Timken 644/632 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.

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  119045/119088XH	45	88,9	62	Gamet	Tapered Roller Bearings
  2785/2720	33,338	76,2	23,812	FBJ	Tapered Roller Bearings
  30226	130	230	43,75	CRAFT	Tapered Roller Bearings
  3002 ZZ	15	32	13	CX	Angular Contact Ball Bearings
  6303DDh	17	47	17	KBC	Deep Groove Ball Bearings
  636	6	22	7	ISO	Deep Groove Ball Bearings
  6920NR	100	140	20	NSK	Deep Groove Ball Bearings
  7309BDB	45	100	25	CYSD	Angular Contact Ball Bearings
  AST50 76IB60	120,65			AST	Plain Bearings
  E-4R10403	520	700	540	NTN	Cylindrical Roller Bearings
  FL678A	8	13,2	2,5	NTN	Deep Groove Ball Bearings
  GAR 80 UK-2RS	80	120	55	INA	Plain Bearings
  GRA107RRB	36,5125	72	25,4	Timken	Deep Groove Ball Bearings
  K40x47x20	40	47	20	ISO	Needle Roller Bearings
  NA2105	105	140	32	Timken	Needle Roller Bearings
  NUP2226-E-MPA	130	230	64	NKE	Cylindrical Roller Bearings
  NUP428	140	360	82	KOYO	Cylindrical Roller Bearings
  S7012 CD/P4A	95	60	18	SKF	Angular Contact Ball Bearings
  UCPK320	100		108	NACHI	Bearing Units
  080416	.5000	1.0000	1.0000	Rollway	JOURNAL ROLLER ASSEMBLIES