d - 4 mm

D - 16 mm

B - 5 mm

C - 5 mm

d1 - – mm

d2 - 6,7 mm

r1 min. - 6 mm

r2 min. - 6 mm

D1 - 13 mm

D2 - 0,3 mm

da min. - 6,6 mm

Da max. - 14 mm

ra max. - 0,3 mm

Weight - 0,0053 Kg

Basic dynamic load rating (C) - 0,761 kN

Basic static load rating (C0) - 0,265 kN

Fatigue load limit (Pu) - 0,011

Reference speed - 100000 r/min

Limiting speed - 50000 r/min

Calculation factor (f0) - 6,8

Calculation factor (kr) - 0,035

• Model Number: W634-2Z
• Inner Diameter：4mm Outer Diameter：16mm Width：5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-25
• Application:gear type,office equipment,industrial supplies,Pump,paint paint,wheel lathe,security equipment,preservation equipment,ship special,tapping machine,hot and cold box
• Similar models:ISO 6348 NACHI 6340 NSK 634 SKF 6348M ISB 6344M SKF D/WER1634-2ZS NTN 634ZZ AST 634H FBJ 634ZZ NTN 634Z
• BEARING POWER International Trading Co.,Ltd. specialize in W634-2Z products，there is large inventory of SKF W634-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W634-2Z Which SKF W634-2Z 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
  1210	50	90	20	SIGMA	Self-Aligning Ball Bearings
  12580/12520	20,638	49,225	19,845	CX	Tapered Roller Bearings
  2201-2RSTN9	12	32	14	ISB	Self-Aligning Ball Bearings
  249/1060 K	1060	1400	335	ISB	Spherical Roller Bearings
  29875/29820	254	323,85	22,225	NTN	Tapered Roller Bearings
  511/560F	560	670	85	SKF	Thrust Ball Bearings
  51152M	260	320	45	SKF	Thrust Ball Bearings
  6207LLUNR	35,000	72,000	17,000	NTN	Deep Groove Ball Bearings
  6313-ZZ	65	140	33	ISB	Deep Groove Ball Bearings
  E-CRT4112	203,2	419,1	92,075	NTN	Thrust Roller Bearings
  FBSA 205/DB	25	120	52	SKF	Thrust Ball Bearings
  FR133	2,38	4,763	1,588	ZEN	Deep Groove Ball Bearings
  NKS20	20	32	20	KOYO	Needle Roller Bearings
  NAX 2030	20	30		IKO	Complex Bearings
  NN3132	160	270	86	CX	Cylindrical Roller Bearings
  NUP 314 E	70	150	35	NACHI	Cylindrical Roller Bearings
  SL185060-TB	300	460	218	INA	Cylindrical Roller Bearings
  TC2031	1.2500	1.9375	.0781	INA	THRUST NEEDLE BEARINGS
  NJ-202	15	35	11	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  K-42x50x13	42	50	13	CONSOLIDATED	NEEDLE BEARINGS