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：2025-04-22
• Application:clean stationery,hook,Optical detection,impression material,paper processing machine,machining,gas turbine,climb ladder,leather processing,ventilation equipment,Reflective Materials Industrial fabrics
• Similar models:NKE 6311-NR NKE 6311 AST 6311ZZ KOYO 6311 SKF 6311-2Z/VA201 NTN 6311LLB CYSD 6311-Z FAG 6311 SKF 6311-Z NTN 6311LB
• 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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  22309MAC4F80W33	45	100	36	AST	Spherical Roller Bearings
  608 DD	8	22	7	NSK	Deep Groove Ball Bearings
  52211	55	90	45	NACHI	Thrust Ball Bearings
  54417U+U417	88			ISO	Thrust Ball Bearings
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  F-92846.4	25,3	38	16,8	INA	Angular Contact Ball Bearings
  F688-2RSW4	8	16	4	ZEN	Deep Groove Ball Bearings
  NN3164 K	320	540	176	ISO	Cylindrical Roller Bearings
  QJ 324	120	260	55	NSK	Angular Contact Ball Bearings
  UCPA212	60			CX	Bearing Units
  UCFL308-24	38,1			KOYO	Bearing Units
  UKP210+H2310	45		57,2	NACHI	Bearing Units
  G-46	3.6250	5.6250		Aetna	THRUST BALL BEARINGS
  211HCRRUL	55	100	21	Barden	ANGULAR CONTACT BALL BEARINGS
  33020	100	150	39	SKF	TAPERED ROLLER BEARINGS
  NUP206E	30	62	16	SKF	CYLINDRICAL ROLLER BEARINGS
  KD040CPO	4.0000	5.0000	.5000	KAYDON	DEEP GROOVE BALL BEARINGS
  WC88007	7	24	.4062	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  511/900				CONSOLIDATED	THRUST BALL BEARINGS
  KD-90ARO	9.0000	10.0000	.5000	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS