d - 69,85 mm

D - 130,175 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

ra1 max. - 3,3 mm

a - 29,9 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 116 mm

db - 80 mm

ra max. - 3,5 mm

da - 86 mm

Db - 124 mm

Weight - 2,272 Kg

Basic dynamic load rating (C) - 195 kN

Basic static load rating (C0) - 263 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: 643/633
• Inner Diameter：69,85mm Outer Diameter：130,175mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:Cutting Machine,pump,Roller,electronic materials,CNC,rolling mill roll neck and slowdown device,cooling system,Infrared Technology,Cleaning equipment,metal mold,plastic molding
• Similar models:CX M86643/10 FAG KL44643-L44610 NTN 4T-M86643/M86610 KOYO 643/633 ZVL K-L44643/K-L44610 CX 643/632 NSK L44643/L44610 Timken HM907643/HM907614 NTN 4T-643/632 NACHI L44643/L44610
• BEARING POWER International Trading Co.,Ltd. specialize in 643/633 products，there is large inventory of NSK 643/633 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 643/633 Which NSK 643/633 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
  101041X/101076C	41,275	76	24,75	Gamet	Tapered Roller Bearings
  22218-E-W33	90	160	40	NKE	Spherical Roller Bearings
  135069X/135120	69,85	120	38,1	Gamet	Tapered Roller Bearings
  230/600 EKW33+OH30/600	560	870	200	ISB	Spherical Roller Bearings
  23034MBK	170	260	67	AST	Spherical Roller Bearings
  635LLU	5,000	19,000	6,000	NTN	Deep Groove Ball Bearings
  CBK-184	95,25	136,525	122,235	FLT	Tapered Roller Bearings
  DAC42800036/34	42	80	36	ISO	Angular Contact Ball Bearings
  FWF-253020	25	30		NSK	Needle Roller Bearings
  FYJ 50 TF	50	40	15	SKF	Bearing Units
  HK2522RS	25	32	22	KOYO	Needle Roller Bearings
  KGNO 40 C-PP-AS	40	62		INA	Linear Bearings
  PW34670037CS	34	67	37	PFI	Angular Contact Ball Bearings
  T126	32,004	55,562	15,875	Fersa	Thrust Roller Bearings
  VEB 80 /S 7CE3	80	110	16	SNFA	Angular Contact Ball Bearings
  CF52PPYSK	1.2500	3.2500	1.7500	INA	NEEDLE BEARINGS
  WCT-35A	7.9680	8.3750		Rollway	THRUST ROLLER BEARINGS
  MS-8	.7500	2.0000	.6875	NH	DEEP GROOVE BALL BEARINGS
  FLRA1-4ZZA	.0781	.2500	.1406	NTN	DEEP GROOVE BALL BEARINGS
  KG-350CPO	35.0000	37.0000	1.0000	CONSOLIDATED	DEEP GROOVE BALL BEARINGS