d - 4 mm

D - 10 mm

B - 4 mm

C - 4 mm

d1 - 5,9 mm

d2 - – mm

r1 min. - 5,6 mm

r2 min. - 5,6 mm

D1 - 8,8 mm

D2 - 0,2 mm

da min. - 5,8 mm

Da max. - 8,8 mm

ra max. - 0,2 mm

Weight - 0,0014 Kg

Basic dynamic load rating (C) - 0,637 kN

Basic static load rating (C0) - 0,25 kN

Fatigue load limit (Pu) - 0,011

Reference speed - – r/min

Limiting speed - 36000 r/min

Calculation factor (f0) - 12

Calculation factor (kr) - 0,02

• Model Number: W638/4X-2RS1
• Inner Diameter：4mm Outer Diameter：10mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2023-10-02
• Application:thin metal materials,EEG,storage shelves,Laser Cutting,packaging materials,Spectrum Products,Leather Products,laser devices,crimping tools,Storage Tool,electromagnet
• Similar models:SKF W63802-2RZ CX 63802 NTN 638Z SKF W63802R ZEN 63802-2Z ZEN 63803-2RS ZEN S63800-2Z SKF W63805 SKF W63803-2Z SKF W638-2RS1
• BEARING POWER International Trading Co.,Ltd. specialize in W638/4X-2RS1 products，there is large inventory of SKF W638/4X-2RS1 . We has been built up long-term cooperation with SKF company, could make a bulk order of the W638/4X-2RS1 Which SKF W638/4X-2RS1 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.

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  23138-E1A-M	190	320	104	FAG	Spherical Roller Bearings
  B32-6A-A-1C5	32	72	19	NSK	Deep Groove Ball Bearings
  47248	240	360	194	KOYO	Tapered Roller Bearings
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  K55x63x15	55	63	15	CX	Needle Roller Bearings
  K 22x32x24	22	32		NBS	Needle Roller Bearings
  NF 204	20	40	14	NSK	Cylindrical Roller Bearings
  L-1370ZZ	7	13	4	NMB	Deep Groove Ball Bearings
  LMFP50UU	50	80		Samick	Linear Bearings
  M21101	33.338	41.275	15.880	KOYO	Needle Roller Bearings
  NH2248	240	440	120	CX	Cylindrical Roller Bearings
  NUP2326-E-M1	130	280	93	FAG	Cylindrical Roller Bearings
  RB206-18	28,575	62	38,1	KOYO	Deep Groove Ball Bearings
  CFE10-1PP			.4375	INA	NEEDLE BEARINGS
  RA-110-BTT	1.6250	3.3465	.7480	MRC	BALL BEARINGS
  UQOL11DTL7	55	90	18	New Departure	ANGULAR CONTACT BALL BEARINGS
  6307	35	80	21	STEYR	DEEP GROOVE BALL BEARINGS
  29336E	180	300		CONSOLIDATED	SPHERICAL ROLLER THRUST BEARINGS