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：2025-12-15
• Application:power tools,forming machine,textile machinery,standing experimental equipment,beverage production,Broadcasting System,static control,security equipment,position switch,chuck industry,paint paint
• Similar models:Timken M276449/M276410 Timken 64432/64708 Timken HM516447/HM516410A NTN T-HM266449/HM266410DG2+A NSK 644/632 FBJ HM516442/HM516410 NACHI 64450/64700 Timken 64452A/64700 Timken 64433/64700D+X1S-64433 Timken HM516448/HM516410
• 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
  23264-K-MB-W33+AH3264	320	580	208	NKE	Spherical Roller Bearings
  23034MBW33	170	260	67	AST	Spherical Roller Bearings
  497/492A	85,725	133,35	30,162	KOYO	Tapered Roller Bearings
  4T-L21549/L21511	15,875	34,988	10,998	NTN	Tapered Roller Bearings
  5200A	10	30	14.3	NACHI	Angular Contact Ball Bearings
  53418	90	190	81.2	NACHI	Thrust Ball Bearings
  71928 ACD/P4AL	190	140	24	SKF	Angular Contact Ball Bearings
  81240-M	200	280	62	NBS	Thrust Roller Bearings
  EE941002/941950	254	495,3	76,2	NSK	Cylindrical Roller Bearings
  F-236160.05	15,4	25,5	46	INA	Linear Bearings
  FC65981	19,05	25,4	19,05	INA	Needle Roller Bearings
  K 50x58x25	50	58		NBS	Needle Roller Bearings
  NAFW 122420	12	24	20	JNS	Needle Roller Bearings
  NNCL4880-V	400	470,3	100	NKE	Cylindrical Roller Bearings
  PSL 610-21	160	270	150	PSL	Tapered Roller Bearings
  SB205-15	23,8125	52	27	FYH	Deep Groove Ball Bearings
  UC214	70	125	74,6	ISO	Deep Groove Ball Bearings
  81213			11.0	CONSOLIDATED	THRUST ROLLER BEARINGS
  I-71219	62	1.1875	16	CONSOLIDATED	SELF
  305808-ZZ	40	85	30.2	CONSOLIDATED	YOKE TYPE TRACK ROLLERS