d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

d1 - 75,3 mm

r1 min. - 2 mm

r2 min. - 2 mm

D2 - 104 mm

da min. - 66 mm

da max - 75,2 mm

Da max. - 109 mm

ra max. - 2 mm

Weight - 1,5 Kg

Basic dynamic load rating (C) - 79,2 kN

Basic static load rating (C0) - 67 kN

Fatigue load limit (Pu) - 2,85

Reference speed - 10000 r/min

Limiting speed - 6300 r/min

Calculation factor (kr) - 0,05

• Model Number: 311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Low-voltage electrical equipment,Cylinder Standard,Handling machinery and various industrial machinery,Industrial,lifting equipment Hoisting hoist,labor insurance,decoration machinery,physical instruments,marine analysis,fruit and vegetable processing,forklift truck
• Similar models:CX 6311ZZ Fersa 6311-2RS NKE 6311-2Z ISO 4311 SNR UC311-35 CYSD 4311 NTN UCS311D1 NKE 6311-2RSR CX 63311ZZ NACHI 6311NSE
• BEARING POWER International Trading Co.,Ltd. specialize in 311 products，there is large inventory of SKF 311 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 311 Which SKF 311 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
  17SBT28	44,45	71,438	20,07	Timken	Plain Bearings
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  3312	60	130	54	ISO	Angular Contact Ball Bearings
  6001-RS	12	28	8	CYSD	Deep Groove Ball Bearings
  60BER20XV1V	60	95	22	NSK	Angular Contact Ball Bearings
  6908L11-H-20DDU	40	62	12	NSK	Deep Groove Ball Bearings
  7008ADLLBG/GNP42	40	68	15	NTN	Angular Contact Ball Bearings
  EC-6007ZZ	35	62	14	NTN	Deep Groove Ball Bearings
  K25x32x15	25	32	15	ISO	Needle Roller Bearings
  NA4907LL	42	55	21	NTN	Needle Roller Bearings
  NJ326E	130	280	58	NTN	Cylindrical Roller Bearings
  T.P.N. 725 CE	25	42		ISB	Plain Bearings
  NN3096ASK.M.SP	480	700	165	FAG	CYLINDRICAL ROLLER BEARINGS
  R390LL	90	190	43	HOFF	CYLINDRICAL ROLLER BEARINGS
  SN605	20		52	SKF	PILLOW BLOCKS
  CSEA100	10.0000	10.5000	.2500	INA	ANGULAR CONTACT BALL BEARINGS
  23038	190	290	75	Torrington	SPHERICAL ROLLER BEARINGS
  211	55	100	21	SKF	DEEP GROOVE BALL BEARINGS
  N-1912-KMSP/5	60	85	13	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS