d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

a - 4,06 mm

b - 3,25 mm

f - 2,77 mm

r min. - 2 mm

r0 max. - 0,6 mm

r1 min. - 0,5 mm

D1 - 115,21 mm

D2 - 129,7 mm

da min. - 64 mm

Da max. - 111 mm

Weight - 1,37 Kg

Basic dynamic load rating (C) - 71,6 kN

Basic static load rating (C0) - 45 kN

(Grease) Lubrication Speed - 5600 r/min

(Oil) Lubrication Speed - 6700 r/min

Calculation factor (f0) - 13,2

• Model Number: 6311NR
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:sawing machine,textile machinery,air shower etc,wire industry,test laboratory equipment and accessories,medical treatment,electric pump,meat products machine,Hydraulic Equipment,position switch,water protection
• Similar models:NTN-SNR 6311N ISB 6311-Z SKF 6311/VA201 NACHI 6311NKE NKE 6311-2Z-N ISO 6311 FBJ 6311-2RS ISB SS6311 ZEN 6311-2RS ZEN 6311
• BEARING POWER International Trading Co.,Ltd. specialize in 6311NR products，there is large inventory of KOYO 6311NR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6311NR Which KOYO 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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  RNJ0922	45,000	85,000	23,000	NTN	Cylindrical Roller Bearings
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  MS-1	.2500	1.3125	.5625	FAG	DEEP GROOVE BALL BEARINGS
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