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. - 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

Reference speed - 12000 r/min

Limiting speed - 11000 r/min

Calculation factor - k_r - 0.03

Calculation factor - f₀ - 13.1

Mass bearing - 1.65 kg

• Model Number: 6311 M
• Inner Diameter：120mm Outer Diameter：55mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-21
• Application:ventilation equipment,plastic rolling,shoe-making machinery,mechanical annex,electromagnetic clutch,Garment Accessories,ventilation fans,Hydraulic Press,container finishing,other accessories,wall industry
• Similar models:NKE 6311-2Z-N SKF 6311-2Z/VA201 PFI 6311-2RSC3 SIGMA 6311 SNR 6311EE FAG 6311 KOYO 6311-2RS NACHI 6311ZENR NACHI 6311-2NKE NKE 6311-N
• BEARING POWER International Trading Co.,Ltd. specialize in 6311M products，there is large inventory of SKF 6311 M . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311 M Which SKF 6311M 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
  23044MBK	220	340	90	AST	Spherical Roller Bearings
  4T-JM716649/JM716610	85	130	30	NTN	Tapered Roller Bearings
  53210U+U210	50	78		ISO	Thrust Ball Bearings
  629	9	26	8	Fersa	Deep Groove Ball Bearings
  63001-2RS	12	28	12	CX	Deep Groove Ball Bearings
  6860	300	380	38	NSK	Deep Groove Ball Bearings
  7219CDF	95	170	32	CYSD	Angular Contact Ball Bearings
  GEC320HCS	320	440		AST	Plain Bearings
  LUND 16	16			SKF	Linear Bearings
  MJ 8	203,2	381	69,85	SIGMA	Deep Groove Ball Bearings
  NU206-E-TVP2	30	62	16	FAG	Cylindrical Roller Bearings
  RNA4918S	105	125	35	NTN	Needle Roller Bearings
  SIA40ES-2RS	40			SKF	Plain Bearings
  UCP315	75		82	FYH	Bearing Units
  6018Z	90	140	24	FAG	DEEP GROOVE BALL BEARINGS
  GEZ204TE.2RS	2.2500	3.5625	1.9687	SKF	SPHERICAL PLAIN BEARINGS
  NU1020	100	150	24	STEYR	CYLINDRICAL ROLLER BEARINGS
  SI20ES	20		16	SKF	ROD ENDS
  NK75/25	92		25	SKF	NEEDLE BEARINGS
  30311	55	120	29	CONSOLIDATED	TAPERED ROLLER BEARINGS