d - 71,438 mm

D - 136,525 mm

T1 - 16,662 mm

B - 41,275 mm

C - 31,75 mm

R - 3,6 mm

a - -11,2 mm

D1 - 143,561 mm

Da - 118 mm

db - 87 mm

C2 - 7,137 mm

da - 81 mm

Weight - 2,65 Kg

Basic static load rating (C0) - 298 kN

Factor (G1) - 106,4

Factor (G2) - 21

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: 644/632B
• Inner Diameter：71,438mm Outer Diameter：136,525mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-04-20
• Application:marine test,light therapy instrument,Individual Wire,lathe,bathroom facilities,ship special,plastic molding,outdoor equipment,Tool,dynamic blood pressure,air shower etc
• Similar models:Timken 64450/64700B ISO HM516448/10 ISO 64433/64700 NTN E-HM266448/HM266410 Timken 64450/64700D+X5S-64450 Timken 64452A/64700B NTN HM266449/HM266410 KOYO HM88644/HM88612 KOYO HM266449/HM266410 CX HM516442/10
• BEARING POWER International Trading Co.,Ltd. specialize in 644/632B products，there is large inventory of Timken 644/632B . We has been built up long-term cooperation with Timken company, could make a bulk order of the 644/632B Which Timken 644/632B 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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  30306D	30	72	20,75	PFI	Tapered Roller Bearings
  4T-596/592A	85,725	152,4	39,688	NTN	Tapered Roller Bearings
  51107	35	52	12	ZEN	Thrust Ball Bearings
  579905AA	110	180	69	FAG	Spherical Roller Bearings
  8011	11	32	12,7	CYSD	Deep Groove Ball Bearings
  AST090 6535	65	70		AST	Plain Bearings
  FC 76108304	380	540	304	ISB	Cylindrical Roller Bearings
  IJ132020	37			ILJIN	Angular Contact Ball Bearings
  LM281849/LM281810	679,45	901,7	142,875	Timken	Tapered Roller Bearings
  MR63	3	6	2	NSK	Deep Groove Ball Bearings
  NJ 307	35	80	21	ISB	Cylindrical Roller Bearings
  NKXR17T2+IR14×17×17	14	30		NTN	Complex Bearings
  SS 6000-ZZ	10	26	8	ISB	Deep Groove Ball Bearings
  UCFL202-10	15,875			KOYO	Bearing Units
  RL16L	2.2500	4.5000	.8750	FAG	CYLINDRICAL ROLLER BEARINGS
  RM191/2L	3.2500	7.5000	1.5625	FAG	CYLINDRICAL ROLLER BEARINGS
  6306-2RSNR	30	72	19	FAG	DEEP GROOVE BALL BEARINGS
  61922	110	150	20	FAG	DEEP GROOVE BALL BEARINGS
  47317	85	180	41	New Departure	DEEP GROOVE BALL BEARINGS