d - 8 mm

D - 12 mm

B - 3.5 mm

d₁ - - 9 mm

D₂ - - 11.31 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 8.8 mm

d_a - max. - 8.9 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 - 53000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 8.2

Mass bearing - 0.0011 kg

• Model Number: W 637/8-2Z
• Inner Diameter：12mm Outer Diameter：8mm Width：3,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-20
• Application:Beauty and Body,outdoor equipment,Logistics Equipment,car,water,suction nozzle,expectoration machine,Hydraulic Equipment,Gear grinding machine,paint paint,stamping die
• Similar models:INA F-238637.02 FBJ 637 ISO 637-2RS SKF W637/4XR-2Z ISO 637ZZ AST 637H SKF W637/5XR-2ZS NSK 637DD SKF BB1B362637A KOYO 637ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in W637/8-2Z products，there is large inventory of SKF W 637/8-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 637/8-2Z Which SKF W637/8-2Z 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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  2220S	100	180	46	NTN	Self-Aligning Ball Bearings
  234452B	260	400	164	KOYO	Thrust Ball Bearings
  4T-CRI-0822LLXCS145/L260	42	72	38	NTN	Tapered Roller Bearings
  51336-MP	180	300	95	FAG	Thrust Ball Bearings
  66212/66462	53,975	117,475	33,338	ISO	Tapered Roller Bearings
  72212/2/72487/2/Q	123,825	53,975	36,512	SKF	Tapered Roller Bearings
  EE843220/843291D+A	558,8	736,6	187,328	NTN	Tapered Roller Bearings
  KAA040	101,6	114,3	6,35	KOYO	Angular Contact Ball Bearings
  LJ1.1/8-2RS	34,925	63,5	15,875	RHP	Deep Groove Ball Bearings
  NH240	200	360	58	ISO	Cylindrical Roller Bearings
  NK8/12T2	8	15	12	NTN	Needle Roller Bearings
  RE 13015	130	160	15	ISB	Thrust Roller Bearings
  NJ1020	100	150	24	FAG	CYLINDRICAL ROLLER BEARINGS
  BR-182616			1.0000	IKO	NEEDLE BEARINGS
  RMS21L	4.0000	8.5000	1.7500	NH	CYLINDRICAL ROLLER BEARINGS
  SDAF-534	5.9375	14.2500		Torrington	PILLOW BLOCKS
  320SD31	320	540	176	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  562007	35	62	234407 M.SP	NTN	ANGULAR CONTACT THRUST BALL BEARINGS
  93122	.5000	.8750	1.3750	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES
  N-128M	140	220	36	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS