d - 9 mm

D - 30 mm

B - 10 mm

d₂ - - 15.3 mm

D₂ - - 25.28 mm

r_1,2 - min. - 0.6 mm

D_a - max. - 26 mm

r_a - max. - 0.6 mm

Basic dynamic load rating - C - 4.4 kN

Basic static load rating - C₀ - 2.3 kN

Fatigue load limit - P_u - 0.1 kN

Reference speed - 56000 r/min

Limiting speed - 28000 r/min

Calculation factor - k_r - 0.035

Calculation factor - f₀ - 12.9

Mass bearing - 0.0348 kg

• Model Number:W 639-2RZ
• Inner Diameter：30mm Outer Diameter：9mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-28
• Application:sleep monitoring,Power equipment,Hydraulic Press,generator,Hairbrush device,chuck industry,Blood coagulation reagent,thread processing machine,multi-knife lathe,teaching equipment,Body shaping
• Similar models:ISO 639 ISB SS639/3-ZZ SKF W639/3R-2RS1 SKF W639/3-2RS1 FBJ 639 SKF W639/3R-2Z SKF W639-2Z ISO 639-2RS AST 639H-2RS SKF W639/1.5R-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in W639-2RZ products，there is large inventory of SKF W 639-2RZ . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639-2RZ Which SKF W639-2RZ 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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  23164 KCW33	320	540	176	CX	Spherical Roller Bearings
  32205	25	52	19,25	Timken	Tapered Roller Bearings
  6002-2RSLTN9/HC5C3WT	15	32	9	SKF	Deep Groove Ball Bearings
  6216Z	80	140	26	NACHI	Deep Groove Ball Bearings
  63308LLU	40,000	90,000	36,500	NTN	Deep Groove Ball Bearings
  7410 ADT	50	130	62	ISO	Angular Contact Ball Bearings
  ASTEPBW 3862-015	36	62		AST	Plain Bearings
  BAM 69	9,525	14,288	14,27	IKO	Needle Roller Bearings
  EC44243S01	31,75	73	29,37	SNR	Tapered Roller Bearings
  EE755280/755360G2	711,2	914,4	85,725	NTN	Tapered Roller Bearings
  RNA4904-RSR	25	37	17	INA	Needle Roller Bearings
  RT-771	558,8			SIGMA	Thrust Roller Bearings
  S681	1	3	1	ZEN	Deep Groove Ball Bearings
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  SYJ 80 TF	80			SKF	Bearing Units
  SYNT 100 L	100	120	86	SKF	Bearing Units
  NAO35x55x20	35	55	20	FAG	NEEDLE BEARINGS
  NJ2226	130	230	64	STEYR	CYLINDRICAL ROLLER BEARINGS
  NK95/36	115		36	SKF	NEEDLE BEARINGS
  6210-2ZNR	50	90	20	STEYR	DEEP GROOVE BALL BEARINGS