d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

b - 3,1 mm

d1 - 75,3 mm

f - 2,82 mm

r0 max. - 0,6 mm

r1 min. - 2 mm

r2 min. - 2 mm

C - 4,06 mm

D2 - 104 mm

D3 - 115,21 mm

D4 - 129,7 mm

Ca max. - 6,88 mm

da min. - 3,5 mm

da max - 66 mm

Da max. - 109 mm

Db min. - 131 mm

ra max. - 2 mm

Weight - 1,35 Kg

Basic dynamic load rating (C) - 74,1 kN

Basic static load rating (C0) - 45 kN

Fatigue load limit (Pu) - 1,9

Reference speed - 12000 r/min

Limiting speed - 8000 r/min

Calculation factor (f0) - 13

Calculation factor (kr) - 0,03

• Model Number:6311NR
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-18
• Application:food sterilization,Other Measurements,Broadcasting System,Special Equipment,Forklift industry,extruder,hydraulic actuator,ignition system,filter paper products,decoration machinery,Vertical machining
• Similar models:FBJ 6311-2RS NACHI 6311-2NKE NKE 6311 KBC 6311ZZ NACHI 6311NKE KBC 6311 NTN 6311ZNR SKF 6311-Z NTN 6311LU SKF 6311
• BEARING POWER International Trading Co.,Ltd. specialize in 6311NR products，there is large inventory of SKF 6311NR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311NR Which SKF 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  200133X/200215XC	133,35	215,9	47,62	Gamet	Tapered Roller Bearings
  6205-2Z/VA201	25	52	15	SKF	Deep Groove Ball Bearings
  6217-2NK	85	150	28	NACHI	Deep Groove Ball Bearings
  6328	140	300	62	CYSD	Deep Groove Ball Bearings
  7021 B-UD	105	160	52	CX	Angular Contact Ball Bearings
  71940 ACD/HCP4AH1	280	200	38	SKF	Angular Contact Ball Bearings
  7201BDT	12	32	10	CYSD	Angular Contact Ball Bearings
  89324	120	210		CX	Thrust Roller Bearings
  B10-46T12	10	23	11	NSK	Deep Groove Ball Bearings
  BRI 527632 UU	82,55	120,65	51,05	IKO	Needle Roller Bearings
  BSD 3572 C	35	72	15	SKF	Thrust Ball Bearings
  NA 4903	17	30	13	IKO	Needle Roller Bearings
  NCF3020 V	100	150	37	CX	Cylindrical Roller Bearings
  NF228 E	140	250	42	CX	Cylindrical Roller Bearings
  NUP2307E	35	80	31	CYSD	Cylindrical Roller Bearings
  SBB22	1.3750	2.1875	1.1875	IKO	SPHERICAL PLAIN BEARINGS
  YAS20	20			FAF	PILLOW BLOCKS
  CYRD-2	.6250	2.0000	1.3125	McGill	YOKE TYPE TRACK ROLLER
  2203E-2RS1	17	40	16	MRC	SELF
  NNF5011ADB.2LSV	55	90	46	SKF	CYLINDRICAL ROLLER BEARINGS