d - 71,438 mm

D - 136,525 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

ra1 max. - 3,3 mm

a - 11,4 mm

Da - 118 mm

db - 81 mm

ra max. - 3,5 mm

da - 87 mm

Db - 125 mm

Weight - 2,57 Kg

Basic dynamic load rating (C) - 194 kN

Basic static load rating (C0) - 262 kN

(Grease) Lubrication Speed - 2 800 r/min

(Oil) Lubrication Speed - 3 800 r/min

Calculation factor (e) - 0,36

Calculation factor (Y0) - 0,91

Calculation factor (Y2) - 1,66

• Model Number: 4T-644/632
• Inner Diameter：71,438mm Outer Diameter：136,525mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-04-20
• Application:blood cell reagent,non-ferrous metal alloy,thin metal materials,Oral Image,other mold,medical treatment,shaft milling machine,wheel lathe,Textile Accessories,Solenoid Valves,Pneumatic Actuator
• Similar models:Timken HM88644/HM88610 NTN E-HM266448/HM266410 Timken HM516447/HM516410A ISO 64450/64708 CX HM516449/10 FBJ 644/632 Timken 64450/64713 CX 64450/64700 ISO 64452A/64700 KOYO HM266448/HM266410
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-644/632 products，there is large inventory of NTN 4T-644/632 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-644/632 Which NTN 4T-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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  2206	30	62	20	CX	Self-Aligning Ball Bearings
  23092 KW33	460	680	163	ISO	Spherical Roller Bearings
  2321	105	225	77	AST	Self-Aligning Ball Bearings
  23968 KCW33+AH3968	340	460	90	CX	Spherical Roller Bearings
  4R2437	120	180	92	NTN	Cylindrical Roller Bearings
  625/HR22T2	5	16	5	SKF	Deep Groove Ball Bearings
  7012DT	60	95	18	CYSD	Angular Contact Ball Bearings
  7034 A	170	260	42	CX	Angular Contact Ball Bearings
  7211 ACD/P4A	100	55	21	SKF	Angular Contact Ball Bearings
  B7220-E-T-P4S	100	180	34	FAG	Angular Contact Ball Bearings
  CX052				CX	Wheel Bearings
  NATV 30 PPXA	30	62	28	SKF	Cylindrical Roller Bearings
  NUP416	80	200	48	KOYO	Cylindrical Roller Bearings
  S61805-2Z	25	37	7	ZEN	Deep Groove Ball Bearings
  S71910 CE/HCP4A	72	50	12	SKF	Angular Contact Ball Bearings
  SL014960	300	420	118	ISO	Cylindrical Roller Bearings
  VKBA 792				SKF	Wheel Bearings
  61812	60	78	10	FAG	DEEP GROOVE BALL BEARINGS
  ADJ-162536	1.0000	1.5625	2.2500	Thomson	LINEAR RECIRCULATING BALL BEARINGS
  6308.2RS	40	90	23	SKF	DEEP GROOVE BALL BEARINGS