d - 55 mm

D - 120 mm

B - 29 mm

d₁ - - 75.34 mm

D₂ - - 103.7 mm

r_1,2 - min. - 2 mm

d_a - min. - 66 mm

d_a - max. - 75.2 mm

D_a - max. - 109 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 74.1 kN

Basic static load rating - C₀ - 45 kN

Fatigue load limit - P_u - 1.9 kN

Limiting speed - 3800 r/min

Calculation factor - k_r - 0.03

Calculation factor - f₀ - 13.1

Mass bearing - 1.41 kg

• Model Number: 6311-2RS1
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Low-voltage electrical equipment,granulator,machine tool spindle,Blood coagulation reagent,Embroidery,expectoration machine,non-motor vehicle Electric car,ultra-quiet generators,circulating pump,wheel lathe,woodworking machinery
• Similar models:KOYO 6311 FBJ 6311ZZ NSK 6311VV SKF 6311-2RS1/HC5C3WT ISB 6311N NTN 6311LLBNR NTN 6311NR SNR 6311EE NACHI 6311-2NKE CRAFT 6311ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 6311-2RS1 products，there is large inventory of SKF 6311-2RS1 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311-2RS1 Which SKF 6311-2RS1 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.

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  32212	60	110	29,75	NTN	Tapered Roller Bearings
  3313 ZZ	65	140	58,7	ISO	Angular Contact Ball Bearings
  619/530	530	710	82	CX	Deep Groove Ball Bearings
  7021CDF	105	160	26	CYSD	Angular Contact Ball Bearings
  ARXJ12X24X4	12,000	24,000	4,000	NTN	Needle Roller Bearings
  AST40 0606	6	8		AST	Plain Bearings
  BH-98	14,288	20,638	12,7	Timken	Needle Roller Bearings
  CSCB025	63,5	79,375	7,938	INA	Deep Groove Ball Bearings
  GEG15C	15	30		AST	Plain Bearings
  GEG110ES-2RS	110	180		AST	Plain Bearings
  MR128ZZ	8	12	3,5	ISB	Deep Groove Ball Bearings
  TASE65-2143)	65			INA	Bearing Units
  9115KD	75	115	20	FAF	DEEP GROOVE BALL BEARINGS
  9109KDD	45	75	16	FAF	DEEP GROOVE BALL BEARINGS
  SL181884	420	520	46	INA	CYLINDRICAL ROLLER BEARINGS
  5211-CFFG	55	100	33.3	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  GS81130	152	190		Torrington	THRUST ROLLER BEARINGS
  77R-4A	.2500	.7500	.2812	New Departure	DEEP GROOVE BALL BEARINGS
  32234	170	310	86	CONSOLIDATED	TAPERED ROLLER BEARINGS
  H-305x3/4	25	38		CONSOLIDATED	ADAPTERS