d - 8 mm

D - 12 mm

B - 3.5 mm

d₁ - - 9.05 mm

D₂ - - 11.33 mm

D₃ - 13.6 mm

C - 0.8 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 8.8 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.312 kN

Basic static load rating - C₀ - 0.14 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 - 0.0012 kg

• Model Number: W 637/8 R-2ZS
• Inner Diameter：12mm Outer Diameter：8mm Width：3,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:motor,water protection,oral medical device,Broadcasting System,air shower etc,switch,construction machinery and equipment,Processing machinery,Grinding and polishing equipment,key lock,metal mold
• Similar models:NSK 637DD SKF W637/8R-2ZS AST 637H SKF W637/4X ISB SS637/3 KOYO F637ZZ KOYO 637 AST 637H-2RS SKF W637-2Z ISO 637
• BEARING POWER International Trading Co.,Ltd. specialize in W637/8R-2ZS products，there is large inventory of SKF W 637/8 R-2ZS . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 637/8 R-2ZS Which SKF W637/8R-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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