d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

Weight - 1,35 Kg

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

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

Limiting speed - 5985 r/min

• Model Number:6311-Z
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-19
• Application:cooling system,key lock,Processing machinery,test equipment,,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Optical detection,packaging machinery,Security Equipment,small appliances,Laser Devices
• Similar models:SKF 6311N SKF 6311-ZNR KOYO 6311NR PFI 6311-2RSC3 ISO 6311-2RS SKF 6311/HC5C3 CYSD 6311-Z NACHI 6311-2NSE NTN 6311ZZ SKF 6311NR
• BEARING POWER International Trading Co.,Ltd. specialize in 6311-Z products，there is large inventory of ISB 6311-Z . We has been built up long-term cooperation with ISB company, could make a bulk order of the 6311-Z Which ISB 6311-Z 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
  21310E	50	110	27	NACHI	Cylindrical Roller Bearings
  32026-X-N11CA-A200-250	130	200	90	FAG	Tapered Roller Bearings
  239/710-K-MB + AH39/710-H	670	950	180	FAG	Spherical Roller Bearings
  30308	40	90	25,25	CRAFT	Tapered Roller Bearings
  3775/3730	50,8		30,302	KOYO	Tapered Roller Bearings
  7020DB	100	150	24	NACHI	Angular Contact Ball Bearings
  BA 248 Z	38,1	47,625	12,7	IKO	Needle Roller Bearings
  HK1718	17	23	18	ISO	Cylindrical Roller Bearings
  K 22x26x13	22	26		NBS	Needle Roller Bearings
  K21×25×17	21	25		NTN	Needle Roller Bearings
  NK100/36	100	120	36	KOYO	Needle Roller Bearings
  SA8E	8		8	AST	Plain Bearings
  UCF315-48	76,2			KOYO	Bearing Units
  DN-3087	.8750	2.2500	.6875	FBC	DEEP GROOVE BALL BEARINGS
  N048			1.3540	Torrington	LOCKNUTS
  NU2204E	20	47	18	Torrington	CYLINDRICAL ROLLER BEARINGS
  NA2203.2RS.DZ	17	40	16	Torrington	NEEDLE BEARINGS
  6080	400	600	90	SKF	DEEP GROOVE BALL BEARINGS
  SNZ-205..22205	25	20	46	CONSOLIDATED	PILLOW BLOCKS
  QJ-12/800	800	1420	272	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE