Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6311 N

6311 N

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	75.34	mm
D₂	≈	103.7	mm
D₃		115.21	mm
b		3.1	mm
C		4.06	mm
r₀	max.	0.6	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	min.	66	mm
D_a	max.	109	mm
D_b	min.	131	mm
b_a	min.	3.5	mm
C_a	max.	6.88	mm
r_a	max.	2	mm

Calculation data

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		8000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	13

Mass

Mass bearing

1.35

Model Number: 6311 N
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:8000 r/min Limiting speed:12000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:Medical printer,Roller,steam Hydraulic control element,chemical raw materials and reagents,bio-chemical,tapping machine,Spectrum Products,Cleaning equipment,aerial work equipment,hook,hardware
Similar models:6311/HC5C3 6311 M 6311-ZNR 6311 NR 6311-2ZNR 6311/VA201 6311-2RSH 6311-2Z 6311-RS1 6311-2Z/VA201
BEARING POWER International Trading Co.,Ltd. specialize in 6311N products，there is large inventory of SKF 6311 N Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311 N Which SKF 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	Type
12437	31.75	50.37	6.35	Seals
16004	20	42	8	Bearings, units and housings
22619	57.15	92.02	11.13	Seals
33772	85.725	117.5	11.13	Seals
6311-2Z	55	120	29	Bearings, units and housings
C 30/670 M	670	980	230	Bearings, units and housings
N 320 ECP	100	215	47	Bearings, units and housings
HJ 1036	180	215	22.5	Bearings, units and housings
NNU 41/750 M/W33	750	1220	475	Bearings, units and housings
QJ 216 N2MA	80	140	26	Bearings, units and housings
SSAFS 23038 KA x 7	177.8	-	-	Bearings, units and housings
W 6302	15	42	13	Bearings, units and housings

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