d - 2 mm

D - 5 mm

B - 2,5 mm

C - 2,5 mm

d1 - 2,7 mm

d2 - – mm

r1 min. - 2,6 mm

r2 min. - 2,6 mm

D1 - 4,4 mm

D2 - 0,1 mm

da min. - 2,6 mm

Da max. - 4,5 mm

ra max. - 0,1 mm

Weight - 0,0002 Kg

Basic dynamic load rating (C) - 0,094 kN

Basic static load rating (C0) - 0,025 kN

Fatigue load limit (Pu) - 0,001

Reference speed - 200000 r/min

Limiting speed - 100000 r/min

Calculation factor (f0) - 6,5

Calculation factor (kr) - 0,02

• Model Number:W638/2X-2Z
• Inner Diameter：2mm Outer Diameter：5mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-09
• Application:vertical sawing machine,baler,light therapy instrument,wheel lathe,vacuum suction cup,welding equipment,ventilator anesthesia machine etc,economic mold,sterilizers,Spectrum Products,gas turbine
• Similar models:SKF W638/1.5R-2Z ISB F63801ZZ SKF W638/1.5-2Z CYSD 1638-Z ZEN 63800-2Z SKF W63804R SKF W63806 ZEN 63801 ZEN SF63800-2Z ISB 638/5-ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in W638/2X-2Z products，there is large inventory of SKF W638/2X-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W638/2X-2Z Which SKF W638/2X-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.

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  1224 M	120	215	42	ISB	Self-Aligning Ball Bearings
  413122	110	180	56	NTN	Tapered Roller Bearings
  47TS865838A	430	575	380	KOYO	Tapered Roller Bearings
  54413	65	140	109.4	NACHI	Thrust Ball Bearings
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  GTR 253825	25	38	25	IKO	Needle Roller Bearings
  F693ZZ	3	8	3	ISB	Deep Groove Ball Bearings
  GEH420XT-2RS	420	600		AST	Plain Bearings
  HM88630/10	25,4	72,233	25,4	CX	Tapered Roller Bearings
  N 207	35	72	17	ISB	Cylindrical Roller Bearings
  NU1018-E-M6	90	140	24	NKE	Cylindrical Roller Bearings
  PK38.1X54.1X29.8	38,100	54,100		NTN	Needle Roller Bearings
  SR188ZZ	6,35	12,7	4,7625	AST	Deep Groove Ball Bearings
  T.A.C. 225	25	42	20	ISB	Plain Bearings
  WIR211-33	52,388	100	56,6	PFI	Deep Groove Ball Bearings
  NUP2307E	35	80	31	FAG	CYLINDRICAL ROLLER BEARINGS
  TSC208S1A	1.1250	3.4375	1.4375	FED	AGRICULTURAL BALL BEARINGS
  NU230E	150	270	45	STEYR	CYLINDRICAL ROLLER BEARINGS
  HK1015	14		15	SKF	NEEDLE BEARINGS
  SN-3030	135		130	CONSOLIDATED	PILLOW BLOCKS