d - 2 mm

D - 5 mm

B - 2.5 mm

d₁ - - 2.7 mm

D₂ - - 4.4 mm

D₃ - 6.2 mm

C - 0.6 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 2.6 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.094 kN

Basic static load rating - C₀ - 0.025 kN

Fatigue load limit - P_u - 0.001 kN

Reference speed - 200000 r/min

Limiting speed - 100000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 6.5

Mass bearing - 0.00025 kg

• Model Number: W 638/2 XR-2Z
• Inner Diameter：5mm Outer Diameter：2mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-19
• Application:office outdoor camping equipment,Oral Equipment,Gear grinding machine,equipment,car steering pin,comprehensive experiment,Industrial,spectrometer,heating fans,food / grain / food equipment,vertical pull
• Similar models:NSK 638VV ZEN 63800-2RS ISO 63800ZZ ISB 638-2RZ SKF 638/5-2Z ISB 638ZZ ZEN F63800 ZEN S638-2RS ZEN 63801-2Z ISB 638-RZ
• BEARING POWER International Trading Co.,Ltd. specialize in W638/2XR-2Z products，there is large inventory of SKF W 638/2 XR-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/2 XR-2Z Which SKF W638/2XR-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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  22312CW33	60	130	46	CRAFT	Spherical Roller Bearings
  241/670 K30	670	1090	412	ISB	Spherical Roller Bearings
  7036DT	180	280	46	NACHI	Angular Contact Ball Bearings
  5312ZZ	60	130	54	KOYO	Angular Contact Ball Bearings
  6303NR	17	47	14	NSK	Deep Groove Ball Bearings
  BL 220 Z	100	180	34	NSK	Deep Groove Ball Bearings
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  NKI75/25	75	105	25	SKF	Needle Roller Bearings
  NP 1020	100	137		NACHI	Cylindrical Roller Bearings
  NUH 2330 ECMH	320	150	108	SKF	Cylindrical Roller Bearings
  NUP2324-E-M6	120	260	86	NKE	Cylindrical Roller Bearings
  UC315D1	75,000	160,000	82	NTN	Deep Groove Ball Bearings
  XLJ 5	127	177,8	25,4	SIGMA	Deep Groove Ball Bearings
  TARN1545	15	45		TIMKEN	NEEDLE BEARINGS
  ALN20	47	20	14	RIV	DEEP GROOVE BALL BEARINGS
  315-ZZ	75	160	37	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  FYT-108	1.5000			CONSOLIDATED	PILLOW BLOCKS
  NUKRE-80X	80		35	CONSOLIDATED	NEEDLE ROLLERS
  YRT-180	180	280	RTC180	CONSOLIDATED	AXIAL / RADIAL BEARING FOR ROTARY TABLE