d - 4 mm

D - 10 mm

B - 3 mm

C - 3 mm

d1 - 5,9 mm

d2 - – mm

r1 min. - 0,2 mm

r2 min. - 0,2 mm

D1 - 8,2 mm

D2 - – mm

da min. - 5,6 mm

Da max. - 8,4 mm

ra max. - 0,2 mm

Weight - 0,001 Kg

Basic dynamic load rating (C) - 0,553 kN

Basic static load rating (C0) - 0,245 kN

Fatigue load limit (Pu) - 0,011

Reference speed - 130000 r/min

Limiting speed - 80000 r/min

Calculation factor (f0) - 12

Calculation factor (kr) - 0,02

• Model Number: W637/4X
• Inner Diameter：4mm Outer Diameter：10mm Width：3mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:chromatography,wheel lathe,meat products machine,internal combustion engine,other accessories,electromagnetic clutch,car and accessories,glass processing machine,supporting facilities,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,agriculture
• Similar models:SKF W637/8-2Z SKF W637/4XR KOYO F637ZZ NSK 637VV AST 637H SKF W637/5XR-2Z SKF W637/2-2Z AST 637H-2RS SKF W637-2RS1 KOYO 637
• BEARING POWER International Trading Co.,Ltd. specialize in W637/4X products，there is large inventory of SKF W637/4X . We has been built up long-term cooperation with SKF company, could make a bulk order of the W637/4X Which SKF W637/4X 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
  101040/101076G	40	76	57	Gamet	Tapered Roller Bearings
  180100/180180C	100	180	47,62	Gamet	Tapered Roller Bearings
  24048 K30 CW33	240	360	118	CX	Spherical Roller Bearings
  32316	80	170	61,5	ISB	Tapered Roller Bearings
  51207 V/HR11T1	60	35	18	SKF	Thrust Ball Bearings
  6012	60	95	18	FAG	Deep Groove Ball Bearings
  6416	80	200	48	CX	Deep Groove Ball Bearings
  7016DT	80	125	22	CYSD	Angular Contact Ball Bearings
  7309BA	45,000	100,000	25,000	SNR	Angular Contact Ball Bearings
  7922CDT	110	150	20	CYSD	Angular Contact Ball Bearings
  AST11 220100	220	225		AST	Plain Bearings
  FBN-323629WA	32	36		NSK	Needle Roller Bearings
  NU330EM	150	320	65	NSK	Cylindrical Roller Bearings
  RNA6906	35	47	30	NSK	Needle Roller Bearings
  R535L	35	100	25	HOFF	CYLINDRICAL ROLLER BEARINGS
  24020-2CS	100	150	50	SKF	SPHERICAL ROLLER BEARINGS
  NTB4565	45	65	3	IKO	THRUST NEEDLE BEARINGS
  1913SZZ	65	90	13	MRC	DEEP GROOVE BALL BEARINGS
  7019CDHCP4A	95	145	24	SKF	ANGULAR CONTACT BALL BEARINGS
  NU-2019E	95	145	30	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS