d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 75.34 mm

D₂ - - 103.7 mm

r_1,2 - min. - 2 mm

d_a - min. - 66 mm

d_a - max. - 75.2 mm

D_a - max. - 109 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 79.2 kN

Basic static load rating - C₀ - 67 kN

Fatigue load limit - P_u - 2.8 kN

Reference speed - 10000 r/min

Limiting speed - 5000 r/min

Calculation factor - k_r - 0.05

Mass bearing - 1.5 kg

• Model Number: 311-2Z
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:X-ray Equipment,milling head plug,vertical processing,generator,powder metallurgy,leather processing,welding equipment,vacuum filter,food testing,inorganic chemical,noise inspection
• Similar models:FAG 4311-B-TVH NTN-SNR 6311N CYSD 4311 KOYO UC311L3 NSK 6311DDU NKE 6311-2Z-N KOYO 6311NR NTN 63311ZZ SKF W6202-2RS1/VP311 CRAFT UC311
• BEARING POWER International Trading Co.,Ltd. specialize in 311-2Z products，there is large inventory of SKF 311-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the 311-2Z Which SKF 311-2Z 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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