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 - min. - 13 mm

d_a - max. - 15.2 mm

D_a - max. - 26 mm

r_a - max. - 0.6 mm

Basic dynamic load rating - C - 4.9 kN

Basic static load rating - C₀ - 2.3 kN

Fatigue load limit - P_u - 0.1 kN

Limiting speed - 16000 r/min

Calculation factor - k_r - 0.035

Calculation factor - f₀ - 12.9

Mass bearing - 0.0348 kg

• Model Number:W 639-2RS1
• Inner Diameter：30mm Outer Diameter：9mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-31
• Application:power source,Leather Products,packaging machinery,medical equipment,hydraulic pressure gauge,quality inspection equipment,test strip,Film machine,Optical detection,orthodontic material,atomizer class
• Similar models:SKF W639/3R-2Z CYSD 1639 CYSD 1639-RS SKF W639/2.5R-2ZS SKF W639/2R-2Z AST 639HZZ ISO 639ZZ ISO 639 KOYO 639 SKF W639-2RZ
• BEARING POWER International Trading Co.,Ltd. specialize in W639-2RS1 products，there is large inventory of SKF W 639-2RS1 . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639-2RS1 Which SKF W639-2RS1 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  105BTR10H	105	160	24,75	NSK	Angular Contact Ball Bearings
  1309ETN9	45	100	25	SKF	Self-Aligning Ball Bearings
  1322-K-M-C3	110	240	50	FAG	Self-Aligning Ball Bearings
  28985/28920	60,325	101,6	25,4	NSK	Tapered Roller Bearings
  6814	70	90	10	NTN	Deep Groove Ball Bearings
  61808	40	52	7	CX	Deep Groove Ball Bearings
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  BLFL4J	20			NACHI	Bearing Units
  K14x18x14	14	18	14	ISO	Needle Roller Bearings
  K20X24X10	20	24		INA	Needle Roller Bearings
  KBK 15x19x19	15	19		NBS	Needle Roller Bearings
  RS-49/500E4	500	670	170	NSK	Cylindrical Roller Bearings
  MJ-361	4,763	8,733	9,53	Timken	Needle Roller Bearings
  NJ1034	170	260	42	NSK	Cylindrical Roller Bearings
  RNA4917	100	120	35	NSK	Needle Roller Bearings
  LS221/2-AC	4.7500	8.2500	1.3125	FAG	ANGULAR CONTACT BALL BEARINGS
  5212	60	110	36.5	FED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
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  FPCF404	4.2500	5.7500	.7500	SKF	DEEP GROOVE BALL BEARINGS
  K-50x60x32	50	60	32	CONSOLIDATED	NEEDLE BEARINGS