d - 140 mm

D - 250 mm

B - 42 mm

d₁ - - 179 mm

D₁ - - 215.78 mm

F - 169 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 3 mm

s - 2.5 mm

d_a - min. - 154 mm

d_a - max. - 165 mm

d_b - min. - 182 mm

D_a - max. - 235 mm

r_a - max. - 2.5 mm

Basic dynamic load rating - C - 450 kN

Basic static load rating - C₀ - 510 kN

Fatigue load limit - P_u - 57 kN

Reference speed - 2800 r/min

Limiting speed - 3200 r/min

Calculation factor - k_r - 0.15

Mass bearing - 9.55 kg

• Model Number:NJ 228 ECM
• Inner Diameter：250mm Outer Diameter：140mm Width：42mm
• Type：Thrust Ball Bearings
• Update date：2026-01-01
• Application:Safety protection,hydraulic connector,lifting equipment Hoisting hoist,Pneumatic Actuator,thin metal materials,medical equipment,Hair styling device,dynamic blood pressure,Solenoid Valves,storage and transportation equipment,Chromatography Products
• Similar models:INA 2281 NACHI 52228 NSK 53228X NSK 51228X NSK 54228X CX 53228U+U228 NACHI 53228 NACHI 54228 SKF NJ2228ECML NACHI 51228
• BEARING POWER International Trading Co.,Ltd. specialize in NJ228ECM products，there is large inventory of SKF NJ 228 ECM . We has been built up long-term cooperation with SKF company, could make a bulk order of the NJ 228 ECM Which SKF NJ228ECM 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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