d - 8 mm

D - 16 mm

B - 6 mm

d₂ - - 9.65 mm

D₂ - - 14.2 mm

r_1,2 - min. - 0.2 mm

d_a - min. - 9.5 mm

d_a - max. - 9.6 mm

D_a - max. - 14.4 mm

r_a - max. - 0.2 mm

Basic dynamic load rating - C - 0.715 kN

Basic static load rating - C₀ - 0.3 kN

Fatigue load limit - P_u - 0.012 kN

Reference speed - 90000 r/min

Limiting speed - 45000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 7.5

Mass bearing - 0.0041 kg

• Model Number: W 638/8-2Z
• Inner Diameter：16mm Outer Diameter：8mm Width：6mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-24
• Application:Machine Tool Accessories,clean stationery,manual Tools,coal,safety testing,extruder,intermediate,car,gas turbine,security equipment,Roller mill
• Similar models:SKF W63800R-2Z ISB 63803-ZZ ISB SS638/8-ZZ NTN 638ZZ ISB 63802 KBC 638ZZ SKF W638-2Z SKF W638/2.5R-2Z FBJ 1638-2RS NSK 638DD
• BEARING POWER International Trading Co.,Ltd. specialize in W638/8-2Z products，there is large inventory of SKF W 638/8-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/8-2Z Which SKF W638/8-2Z 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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  STO-50X	50	90	20	CONSOLIDATED	NEEDLE BEARINGS