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: 6311N
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:Reflective Materials Industrial fabrics,Other Measurements,Vertical pull,die casting mold,Security Equipment,floor industry,chamfer,chromatography,decoration machinery,gear type,Industrial
• Similar models:ISB 6311 NACHI 6311-2NSE NKE 6311-2Z SNR 6311EE FBJ 6311ZZ KOYO M6311 SNR 6311E SKF 6311-2Z NKE 6311-Z SKF 6311
• BEARING POWER International Trading Co.,Ltd. specialize in 6311N products，there is large inventory of KOYO 6311N . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6311N Which KOYO 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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  DAC40760036	40	76	36	ISO	Angular Contact Ball Bearings
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  NJ311-E-TVP3	55	120	29	NKE	Cylindrical Roller Bearings
  PW35680048CSHD	35	68	48	PFI	Angular Contact Ball Bearings
  RNAO6X13X8TN	6	9	8	Timken	Needle Roller Bearings
  W 604 R-2Z	4	12	4	SKF	Deep Groove Ball Bearings
  X32305/Y32305	25	62	25,25	Timken	Tapered Roller Bearings
  130RIN553	13.0000	17.5000	2.2500	Torrington	CYLINDRICAL ROLLER BEARINGS
  2-14	1.2500	2.8340	.9050	Sealmaster	PILLOW BLOCKS
  R-830	3	8	3	NMB	DEEP GROOVE BALL BEARINGS
  6300K	10	35	11	STEYR	DEEP GROOVE BALL BEARINGS
  H-3076x1315/16	380	450		CONSOLIDATED	ADAPTERS
  100x120x13mm	100	120	13	CONSOLIDATED	OIL SEALS