Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 311 NR

311 NR

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	79.2	kN
Basic static load rating	C₀	67	kN
Fatigue load limit	P_u	2.85	kN
Reference speed		10000	r/min
Limiting speed		6300	r/min
Calculation factor	k_r	0.05

Mass

Mass bearing

1.5

Included products

Snap ring

SP 120

Model Number: 311 NR
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:6300 r/min Limiting speed:10000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-13
Application:Gas turbine,trolley,food / grain / food equipment,safety testing,generator,dye pigments,Pump,experimental equipment,standing experimental equipment,Insect Count,Material handling equipment
Similar models:NU 311 ECM 6311/HC5C3 33114/DF 311 NR 311-2ZNR NJ 311 ECP 3311 A-2RS1 33115/DF NU 2311 ECPH 2211 EKTN9 + H 311
BEARING POWER International Trading Co.,Ltd. specialize in 311NR products，there is large inventory of SKF 311 NR Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 311 NR Which SKF 311NR 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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NU 18/600 ECMA/HB1	600	730	60	Bearings, units and housings
NUP 215 ECML	75	130	25	Bearings, units and housings
PCM 105110115 E	105	110	115	Bearings, units and housings
QJ 307 N2PHAS	35	80	21	Bearings, units and housings
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YEL 206-103-2F	30.163	62	48.4	Bearings, units and housings

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