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

6311 NR

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	75.34	mm
D₂	≈	103.7	mm
D₃		115.21	mm
D₄		129.7	mm
b		3.1	mm
C		4.06	mm
f		2.82	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

1.41

Included products

Snap ring

SP 120

Model Number: 6311 NR
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：2024-12-21
Application:shoe-making machinery,oral medical device,walking Food processing machinery and equipment,DC generators,animal anatomy,pipe fittings Steel industry,tapered grinder,Blood coagulation reagent,thin metal materials,other mold,tapping machine
Similar models:6311-2RS1 6311 6311-2RSH 6311 NR 6311-ZNR 6311-Z 6311-2Z 6311 N 6311-2Z/VA201 6311 M
BEARING POWER International Trading Co.,Ltd. specialize in 6311NR products，there is large inventory of SKF 6311 NR Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 6311 NR Which SKF 6311NR 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
22449	57.15	82.58	11.13	Seals
23702	60.325	85.09	9.53	Seals
331780 A	762	965.2	-	Bearings, units and housings
61876 MA	380	480	46	Bearings, units and housings
6316	80	170	39	Bearings, units and housings
71803 CD/HCP4	17	26	5	Bearings, units and housings
KD21-204	26	162	-	Coupling systems
NAO 30x47x16	30	47	16	Bearings, units and housings
NU 213 ECJ	65	120	23	Bearings, units and housings
NU 2316 ECM	80	170	58	Bearings, units and housings
NUH 2332 ECMH	160	340	114	Bearings, units and housings
SSAFS 22534 x 5.13/16 TLC	147.6375	-	-	Bearings, units and housings

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