d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 77.5 mm

D₁ - - 100.3 mm

F - 70.5 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 2 mm

s - 2 mm

d_a - min. - 65 mm

d_a - max. - 68 mm

d_b - min. - 80 mm

D_a - max. - 109.2 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 156 kN

Basic static load rating - C₀ - 143 kN

Fatigue load limit - P_u - 18.6 kN

Reference speed - 6000 r/min

Limiting speed - 7000 r/min

Calculation factor - k_r - 0.15

Mass bearing - 1.755 kg

• Model Number:NJ 311 ECM
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Thrust Ball Bearings
• Update date：2025-12-25
• Application:physical instruments,air purification,Other machinery,stamping die and its equipment,Rolling mill gear box,Dental Drill etc,surgical instruments,vertical pull,meat products machine,Display Devices,tooth filling
• Similar models:SKF NJ2311ECP NTN 51311 NSK 54311 ISO 53311U+U311 AST 51311M FAG 52311 NACHI 51311 NACHI 54311U FAG 53311 ISB 53311U311
• BEARING POWER International Trading Co.,Ltd. specialize in NJ311ECM products，there is large inventory of SKF NJ 311 ECM . We has been built up long-term cooperation with SKF company, could make a bulk order of the NJ 311 ECM Which SKF NJ311ECM 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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