d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

r min. - 2 mm

da min. - 64 mm

da max - 72,5 mm

Da max. - 111 mm

ra max. - 2 mm

Weight - 1,37 Kg

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

Basic static load rating (C0) - 44,5 kN

(Grease) Lubrication Speed - 5 600 r/min

(Oil) Lubrication Speed - 6 700 r/min

Calculation factor (f0) - 13,1

• Model Number: 6311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:medical Equipment,ship special,Cylinder Type,climb ladder,defogging and degreasing,security equipment,non-ferrous metal alloy,coal mill,pneumatic,ultra-quiet generators,survey accessories
• Similar models:NSK 6311 NSK 6311NR ISB 6311-ZZ SKF 6311-2ZNR NACHI 6311ZZE NACHI 6311 KBC 6311DD ISB 6311 SKF E2.6311-2Z NTN 6311ZZNR
• BEARING POWER International Trading Co.,Ltd. specialize in 6311 products，there is large inventory of NSK 6311 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6311 Which NSK 6311 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  2207K	35,000	72,000	23,000	SNR	Self-Aligning Ball Bearings
  6201T1XZZ	12	32	10	NSK	Deep Groove Ball Bearings
  81576D/81962/81963D	146,05	244,475	192,088	NTN	Tapered Roller Bearings
  GEFZ15S	15,88	30,16	15,88	LS	Plain Bearings
  HK 1014 2RS	10	14	14	NBS	Needle Roller Bearings
  ML7008CVUJ74S	40	68	15	SNR	Angular Contact Ball Bearings
  MRJ1.5/8	41,275	101,6	23,8125	RHP	Cylindrical Roller Bearings
  UCFS318	90			FYH	Bearing Units
  SM1203K	55,5625	100	55,56	Timken	Deep Groove Ball Bearings
  SY 40 TDW	40	48	30	SKF	Bearing Units
  UCFL 205-14	22,225			AST	Bearing Units
  UCTU210-800	50		51,6	KOYO	Bearing Units
  GIL6UK	6		6	ELGES	ROD ENDS
  30022RS	15	32	13	INA	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  52320				STEYR	THRUST BALL BEARINGS
  30336	180	380	75	STEYR	TAPERED ROLLER BEARINGS
  N303	17	47	14	SKF	CYLINDRICAL ROLLER BEARINGS
  RHNA303724-2RS	37		24	SKF (Old No.)	NEEDLE BEARINGS
  6200-2ZNR	10	30	9	STEYR	DEEP GROOVE BALL BEARINGS
  ZSL192324	120	260	85	CONSOLIDATED	CYLINDRICAL ROLLER BEARING