d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

b - 3,1 mm

f - 2,82 mm

C - 4,06 mm

Weight - 1,35 Kg

Basic dynamic load rating (C) - 72,62 kN

Basic static load rating (C0) - 44,1 kN

(Grease) Lubrication Speed - 6120 r/min

(Oil) Lubrication Speed - 7200 r/min

• Model Number: 6311 N
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:food safety,metallurgical mold,welding equipment,electronic components,container finishing,mobile toilet,machine tool spindle,noise inspection,transportation equipment,light therapy instrument,rock drilling machinery
• Similar models:ZEN 6311 CX 6311-2RS ZEN 6311-2Z MB Bearing MR163110-2RS CRAFT 6311 NKE 6311-N NTN-SNR 6311NR ISB 6311N FBJ 6311 CRAFT 6311ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 6311N products，there is large inventory of ISB 6311 N . We has been built up long-term cooperation with ISB company, could make a bulk order of the 6311 N Which ISB 6311N 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
  128	8	24	8	ISO	Self-Aligning Ball Bearings
  16002-Z	15	32	8	SKF	Deep Groove Ball Bearings
  22272CA/W33	360	650	170	SKF	Spherical Roller Bearings
  32011-X-XL	55	90	23	FAG	Tapered Roller Bearings
  358/354A	45	85	20,638	KOYO	Tapered Roller Bearings
  3800-B-2RSR-TVH	10	19	7	FAG	Angular Contact Ball Bearings
  396/394A	50	110	22	CX	Tapered Roller Bearings
  AXK80105	80	105	4	KOYO	Needle Roller Bearings
  C4024V/VE240	120	180	60	SKF	Cylindrical Roller Bearings
  ESFAE204	20			SNR	Bearing Units
  K25×31×21	25	31		NTN	Needle Roller Bearings
  R154.26				SNR	Wheel Bearings
  X32005X/YAA32005X	25	47	15	Timken	Tapered Roller Bearings
  01/02/7506	30	72	27	RIV	TAPERED ROLLER BEARINGS
  RBC6	2.5000	6.0000	3.2500	RBC	ROLLER CAM FOLLOWERS
  6930DDU	150	210	28	NSK	DEEP GROOVE BALL BEARINGS
  56BIC251	5.6250	7.7500	1.0000	Torrington	DEEP GROOVE BALL BEARINGS
  7056MG	280	420	65	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  7x22x7mm	7	22	7	CONSOLIDATED	OIL SEALS
  F2X-7	2.5	7	3.5	CONSOLIDATED	THRUST BALL BEARINGS