d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

rn - 0,5 mm

a - 4,06 mm

b - 3,1 mm

f - 2,82 mm

r min. - 2 mm

r0 max. - 0,6 mm

D1 - 115,21 mm

D2 - 129,7 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: 6311NR
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:Security Equipment,ventilation equipment,tube,agriculture,auto tools,forklift truck,motor,inorganic chemical,Display Devices,impression material,preservation equipment
• Similar models:NSK 6311ZZ CYSD 6311 ISB SS6311-ZZ ISB SS6311 NACHI 6311ZENR ISB 6311-2RS PFI 6311-2RSC3 NKE 6311-Z ISB 6311N FBJ 6311-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 6311NR products，there is large inventory of NSK 6311NR . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6311NR Which NSK 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
  0-18	57,15	84,931	22,225	FBJ	Thrust Ball Bearings
  23936CCK/W33	180	250	52	SKF	Spherical Roller Bearings
  32232	160	290	84	NTN	Tapered Roller Bearings
  53212	60	95		ISO	Thrust Ball Bearings
  6005-2NSE	25	47	12	NACHI	Deep Groove Ball Bearings
  615/612	44,45	120,65	41,275	Timken	Tapered Roller Bearings
  61903-2RS	17	30	7	CRAFT	Deep Groove Ball Bearings
  DAC448250037	44	82,5	37	ISO	Angular Contact Ball Bearings
  HK2216.2RS	22	28	16	SKF	Needle Roller Bearings
  HM624749/HM624716	120,65	199,974	46,038	Timken	Tapered Roller Bearings
  N 216	80	125.3	26	NACHI	Cylindrical Roller Bearings
  NJ1988	440	600	74	ISO	Cylindrical Roller Bearings
  PF 45 WF	45			SKF	Bearing Units
  RNA4912	68	85	25	INA	Needle Roller Bearings
  UKP216+H2316	70		88,9	NACHI	Bearing Units
  209KDD	45	85	19	FAF	DEEP GROOVE BALL BEARINGS
  NKI95/36	95	125	36	INA	NEEDLE BEARINGS
  5302	15	42	19	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  NU-1012	60	95	18	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NA-4904-RS	20	37	17	CONSOLIDATED	NEEDLE BEARINGS