d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

b - 3,1 mm

d1 - 75,3 mm

f - 2,82 mm

r0 max. - 0,6 mm

r1 min. - 2 mm

r2 min. - 2 mm

C - 4,06 mm

D2 - 104 mm

D3 - 115,21 mm

D4 - 129,7 mm

Ca max. - 6,88 mm

da min. - 3,5 mm

da max - 66 mm

Da max. - 109 mm

Db min. - 131 mm

ra max. - 2 mm

Weight - 1,35 Kg

Basic dynamic load rating (C) - 74,1 kN

Basic static load rating (C0) - 45 kN

Fatigue load limit (Pu) - 1,9

Reference speed - 12000 r/min

Limiting speed - 8000 r/min

Calculation factor (f0) - 13

Calculation factor (kr) - 0,03

• Model Number: 6311NR
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:Rolling mill gear box,cleaning agent,Broadcasting System,hydraulic actuator,water protection,food sterilization,Machine tools,hydraulic pump,plastic molding,lifting upgrade,equipment and
• Similar models:SKF 6311N NKE 6311-2RSR KBC 6311 ISB 6311 KBC 6311UU NACHI 6311NKE KBC 6311DD AST 6311-2RS NACHI 6311ZENR NKE 6311-NR
• BEARING POWER International Trading Co.,Ltd. specialize in 6311NR products，there is large inventory of SKF 6311NR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311NR Which SKF 6311NR 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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