Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 311-2ZNR

311-2ZNR

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.	75.2	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		5000	r/min
Calculation factor	k_r	0.05

Mass

Mass bearing

1.5

Included products

Snap ring

SP 120

Model Number: 311-2ZNR
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:5000 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:office outdoor camping equipment,chemical,pump industry,respirator,Storage Tool,large agricultural machinery,Garment Accessories,wall industry,industrial fans,security equipment,animal anatomy
Similar models:33113 BA1B 311585 311-2Z BD-22211 EK-AHX 311 HM 231132/110 W 6201-2RS1/VP311 33112 NU 311 ECP HE 2311 B 22311 E/VA405
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