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：2025-12-16
• Application:inorganic chemical,hydraulic connector,cooling system,thin metal materials,screen filter,food sterilization,Forklift industry,shoe-making machinery,Generator,Handling machinery and various industrial machinery,car shock absorber
• Similar models:ISO 637ZZ SKF W637/4X KOYO 637ZZ SKF W637-2Z SKF W637/5XR-2ZS NSK 637 SKF W637/8R-2Z SKF W637/5XR-2Z NSK 637ZZ1 AST 637H-2RS
• 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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