d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

d1 - 75,3 mm

r1 min. - 2 mm

r2 min. - 2 mm

D2 - 104 mm

da min. - 66 mm

da max - 75,2 mm

Da max. - 109 mm

ra max. - 2 mm

Weight - 1,5 Kg

Basic dynamic load rating (C) - 79,2 kN

Basic static load rating (C0) - 67 kN

Fatigue load limit (Pu) - 2,85

Reference speed - 10000 r/min

Limiting speed - 6300 r/min

Calculation factor (kr) - 0,05

• Model Number:311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:equipment and,Machine Tool Accessories,relay,Switch,transistor fittings,industrial fans,X-ray Equipment,pump,Plastic Equipment,agrochemical,tooth filling
• Similar models:NTN 6311LUNR Fersa 6311-2RS NTN 6311ZZD2 SKF 6311/HC5C3 ISB 6311-ZZ NKE 6311-2RSR SNR UK311G2H KOYO 6311-2RU SNR EX311-32 CRAFT 6311ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 311 products，there is large inventory of SKF 311 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 311 Which SKF 311 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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