d - 17 mm

D - 30 mm

B - 7 mm

d₁ - - 20.4 mm

D₂ - - 27.7 mm

r_1,2 - min. - 0.3 mm

d_a - min. - 19 mm

D_a - max. - 28 mm

r_a - max. - 0.3 mm

Basic dynamic load rating - C - 4.6 kN

Basic static load rating - C₀ - 2.6 kN

Fatigue load limit - P_u - 0.108 kN

Reference speed - 50000 r/min

Limiting speed - 32000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 14.7

Mass bearing - 0.016 kg

• Model Number: 61903
• Inner Diameter：30mm Outer Diameter：17mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:medical equipment,impression material,Medium and large motor,Garment Accessories,granulator,Spectrum Products,tobacco machinery,Industrial Electromechanical,miscellaneous instruments,test laboratory equipment and accessories,Spectrum Products
• Similar models:SKF 61903 SKF 61903-2RS1 SKF W61903 ISB SS61903-2RS ZEN S61903-2Z CRAFT 61903ZZ FAG 61903 SKF W61903-2Z NKE 61903-2Z ISB 61903-RZ
• BEARING POWER International Trading Co.,Ltd. specialize in 61903 products，there is large inventory of SKF 61903 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 61903 Which SKF 61903 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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