d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

a - 4,06 mm

b - 3,1 mm

f - 2,82 mm

r1 min. - 2 mm

r2 min. - 2 mm

D1 - 115,21 mm

D2 - 129,7 mm

Weight - 1,39 Kg

Basic dynamic load rating (C) - 72 kN

Basic static load rating (C0) - 44,8 kN

Limiting speed - 8000 r/min

• Model Number: 6311-NR
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:extruder,non-ferrous metal alloy,food testing,spectrometer,Hydraulic Rama,preservation equipment,horizontal processing,heating fans,Hydraulic Couplings,Automation,Spectrum Products
• Similar models:SKF 6311/HC5C3 NTN 6311LU NACHI 6311ZENR NKE 6311-2Z-NR NTN-SNR 6311 SKF 6311NR KOYO M6311ZZ ISB 6311 ZEN 6311 ISO 6311
• BEARING POWER International Trading Co.,Ltd. specialize in 6311-NR products，there is large inventory of NKE 6311-NR . We has been built up long-term cooperation with NKE company, could make a bulk order of the 6311-NR Which NKE 6311-NR 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
  32303J2/Q	17	47	20,25	SKF	Tapered Roller Bearings
  323176	380	620	194	NTN	Tapered Roller Bearings
  6004NREE	20,000	42,000	12,000	SNR	Deep Groove Ball Bearings
  6020-2RS	100	150	24	CYSD	Deep Groove Ball Bearings
  6221Z	105	190	36	NACHI	Deep Groove Ball Bearings
  99575/99100	146,05	254	66,675	ISO	Tapered Roller Bearings
  BT1B 332821BA/Q	38	63	17	SKF	Tapered Roller Bearings
  ES201G2	12	40	28,6	SNR	Deep Groove Ball Bearings
  FYT 1.3/4 RM	44,45	39	14	SKF	Bearing Units
  NK145/32	145	170	32	FBJ	Needle Roller Bearings
  RNA5926	150	180	67	CX	Needle Roller Bearings
  UK318	90	190	60	KOYO	Deep Groove Ball Bearings
  SL182218	90	160	40	INA	CYLINDRICAL ROLLER BEARINGS
  W-71/2				FAG	THRUST BALL BEARINGS
  NK75/35	92		35	INA	NEEDLE BEARINGS
  30326J2	130	280	58	SKF	TAPERED ROLLER BEARINGS
  220-SFF	100	180	34	MRC	DEEP GROOVE BALL BEARINGS
  53436U				STEYR	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  51318				CONSOLIDATED	THRUST BALL BEARINGS
  45x80x10mm	45	80	10	CONSOLIDATED	OIL SEALS