d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

rn - 0,5 mm

a - 4,06 mm

b - 3,1 mm

r min. - 2 mm

r0 max. - 0,6 mm

D1 - 115,21 mm

da min. - 64 mm

da max - 74 mm

Da max. - 111 mm

ra max. - 2 mm

Dx - 131,5 mm

Cy - 6,5 mm

Cz - 2,9 mm

rn - 0,5 mm

Weight - 1,37 Kg

Basic dynamic load rating (C) - 71,5 kN

Basic static load rating (C0) - 45 kN

(Grease) Lubrication Speed - 5 800 r/min

(Oil) Lubrication Speed - 6 800 r/min

Calculation factor (f0) - 13,2

• Model Number: 6311N
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-10
• Application:boring bar boring bar,standing experimental equipment,Broadcasting System,electromyography machine,chemical,rubber products machinery and equipment,gantry processing,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,clean stationery,Machine tool accessories,Medical room equipment
• Similar models:SKF 6311-2RS1/HC5C3WT AST 6311ZZ ISB 6311N NACHI 6311ZZE NTN 6311LU ZEN 6311-2RS ISB SS6311-2RS SKF 6311/HC5C3 NTN 6311LLB SKF 6311-Z
• BEARING POWER International Trading Co.,Ltd. specialize in 6311N products，there is large inventory of NTN 6311N . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6311N Which NTN 6311N 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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  TAF657825	78		25	IKO	NEEDLE BEARINGS
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  TPFYT-111	1.6875			CONSOLIDATED	THERMOPLASTIC PILLOW BLOCKS