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：2025-12-20
• Application:medical equipment,plastic rolling,wall materials,Film machine,cooling system,medical equipment,diagnostic test paper,fruit and vegetable processing,mathematical instruments,experimental equipment,noise reduction equipment
• Similar models:NKE 61903-2RSR ISO 61903 SKF 61903-2RS1 SKF W61903-2RZ CRAFT 61903ZZ CX 61903ZZ ISB 61903-ZZ ZEN F61903-2Z FAG 61903-2Z SKF 61903-2Z
• 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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  NF214	70	125	24	FBJ	Cylindrical Roller Bearings
  POS 3EC	3			IKO	Plain Bearings
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  01/02/7224	120	215	40	RIV	TAPERED ROLLER BEARINGS
  4456	5.2500	7.5000		INA	THRUST BALL BEARINGS
  63803-ZZ	17	26	7	CONSOLIDATED	DEEP GROOVE BALL BEARINGS