d - 71.438 mm

D - 130.175 mm

T - 41.275 mm

B - 41.275 mm

C - 31.750 mm

a - 11.2 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 2,55 Kg

Basic dynamic load rating (C) - 151000 kN

Basic static load rating (C0) - 229000 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:644/633
• Inner Diameter：71.438mm Outer Diameter：130.175mm Width：41.275mm
• Type：Tapered Roller Bearings
• Update date：2023-03-12
• Application:bathroom facilities,paint paint,PVC,chemical,Wire grinder,Forging machine,sample cup,Vertical machining,agriculture,position switch,ultra-quiet generators
• Similar models:Timken 644/633 KOYO HM88644/HM88611 NTN M276449/M276410G2 Timken 64450/64708 FBJ HM516449/HM516410 CX HM516448/10 NTN T-HM266449D/HM266410/HM266410DG2 KOYO HM266448/HM266410 NTN HM266449/HM266410DC+A Timken HM516447/HM516410
• BEARING POWER International Trading Co.,Ltd. specialize in 644/633 products，there is large inventory of NACHI 644/633 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 644/633 Which NACHI 644/633 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
  22207EG15KW33	35,000	72,000	23,000	SNR	Spherical Roller Bearings
  23056-E1	280	420	106	FAG	Spherical Roller Bearings
  25577/25520	42.875	82.931	23.812	NACHI	Tapered Roller Bearings
  6208-2RZ	40	80	18	ISB	Deep Groove Ball Bearings
  62204-2RS	20	47	18	ISO	Deep Groove Ball Bearings
  BT2B 334068/HA1VA901	570,1	408,4	152	SKF	Tapered Roller Bearings
  JT-66	9.525	14.288	9.53	KOYO	Needle Roller Bearings
  NJ2205R	25	52	18	KOYO	Cylindrical Roller Bearings
  NMJ3.1/4	82,55	190,5	39,6875	RHP	Self-Aligning Ball Bearings
  NUP 2307 E	35	80	31	NACHI	Cylindrical Roller Bearings
  SI 20	20			ISO	Plain Bearings
  T581	147,638	177,8	17,462	Timken	Thrust Roller Bearings
  UCTX15	75			KOYO	Bearing Units
  136-KR	180	280	46	MRC	ANGULAR CONTACT BALL BEARINGS
  LS140180	140	180		INA	THRUST NEEDLE BEARINGS
  5314	70	150	63.5	FED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  SD-3144	200			Torrington	PILLOW BLOCKS
  52206				STEYR	THRUST BALL BEARINGS
  6419	95	250	55	SKF	DEEP GROOVE BALL BEARINGS
  2122Z	60	110	22	SKF	DEEP GROOVE BALL BEARINGS