d - 1.5 mm

D - 4 mm

B - 2 mm

d₁ - - 2.15 mm

D₂ - - 3.5 mm

r_1,2 - min. - 0.05 mm

d_a - min. - 1.9 mm

d_a - max. - 2.1 mm

D_a - max. - 3.6 mm

r_a - max. - 0.05 mm

Basic dynamic load rating - C - 0.062 kN

Basic static load rating - C₀ - 0.016 kN

Fatigue load limit - P_u - 0.001 kN

Reference speed - 220000 r/min

Limiting speed - 110000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 6.4

Mass bearing - 0.00014 kg

• Model Number: W 638/1.5-2Z
• Inner Diameter：4mm Outer Diameter：1,5mm Width：2mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:relay,Insect Capture,spreader series,wheel lathe,motorcycle,chromatography,hydraulic connector,fruit and vegetable processing,Oral Equipment,tooth filling,engine
• Similar models:SKF W63802-2RS1 ISB 638 SKF W638/8R-2Z SKF W638/3-2Z SKF W63802 CX 63802-2RS SKF W63803-2Z KOYO 638-2RD SKF W638/2R-2Z SKF W638/3-2RS1
• BEARING POWER International Trading Co.,Ltd. specialize in W638/1.5-2Z products，there is large inventory of SKF W 638/1.5-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/1.5-2Z Which SKF W638/1.5-2Z 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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  E4	4	16	5	FAG	MAGNETO BEARINGS
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  RA-203-009	.5625	1.5748	.5118	CONSOLIDATED	BALL BEARINGS