d - 8 mm

D - 12 mm

B - 3.5 mm

d₁ - - 9.05 mm

D₂ - - 11.33 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 8.8 mm

d_a - max. - 9 mm

D_a - max. - 11.5 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.364 kN

Basic static load rating - C₀ - 0.143 kN

Fatigue load limit - P_u - 0.006 kN

Reference speed - 100000 r/min

Limiting speed - 50000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 8.2

Mass bearing - 0.001 kg

• Model Number:W 637/8-2ZS
• Inner Diameter：12mm Outer Diameter：8mm Width：3,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:small appliances,Storage Tool,Blood coagulation reagent,Beauty and Body,other CNC,medical treatment,machine tool spindle,plastic molding,Processing machinery,wheel lathe,plastic rolling
• Similar models:INA F-238637.02 SKF W637/9-2ZS AST 637H SKF W637/5X-2ZS SKF W637/8R-2ZS NSK 637VV INA F-238637.02.KL ISO 637ZZ FBJ 637 KOYO 637
• BEARING POWER International Trading Co.,Ltd. specialize in W637/8-2ZS products，there is large inventory of SKF W 637/8-2ZS . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 637/8-2ZS Which SKF W637/8-2ZS 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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  241/750 ECA/W33	1220	750	475	SKF	Tapered Roller Bearings
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  71900 A	10	22	6	ISO	Angular Contact Ball Bearings
  CRD-5215	259,5	481	250	NTN	Tapered Roller Bearings
  EGF14120-E40	14	16	12	INA	Plain Bearings
  GAY45-NPP-B	45	85	41,5	INA	Deep Groove Ball Bearings
  GEWZ152ES	152,4	222,25	209,55	LS	Plain Bearings
  HH923649/10	101,6	250,825	76,2	CX	Tapered Roller Bearings
  NU 2212	60	110	28	NACHI	Cylindrical Roller Bearings
  RASEY50-N	50			INA	Bearing Units
  UKFL215	65			KOYO	Bearing Units
  S6002.2RSR	15	32	9	FAG	DEEP GROOVE BALL BEARINGS
  6408	40	110	27	FAG	DEEP GROOVE BALL BEARINGS
  LRJ81/2E	8.5000	14.0000	2.0000	RHP	CYLINDRICAL ROLLER BEARINGS
  K-68x74x35../2	68	74	35../2	CONSOLIDATED	NEEDLE BEARINGS