SKF QJ 311 N2MA Bearing

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SKF QJ 311 N2MA Bearing Description

We supply various of SKF QJ 311 N2MA bearings. bearings is purity material and high precision , the varieties of SKF bearings is up to thousands of species .SKF QJ 311 N2MA bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of SKF QJ 311 N2MA bearings is the operation and control. In order to ensure the smooth operation and normally rotation,SKF QJ 311 N2MA bearings inquire deeply into the running of the machine and friction phenomenon .SKF QJ 311 N2MA bearings is widely used in automobile, motor, gear, injection molding machines, machine tools, mining machinery, engineering machinery, motorcycles, office equipment, paper making machinery, pumps and compressors, wind power generator and so on.The shipment of SKF QJ 311 N2MA bearings will be arranged timely for we have a large stock of SKF QJ 311 N2MA bearings in HongKong.

SKF QJ 311 N2MA Bearing Specification

Bearing number : QJ 311 N2MA

Size (mm) : 55x120x29

Brand : The brand you need

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 29

Bearing dimensions and specification in ALIER catalogue:

d – 55 mm

D – 120 mm

B – 29 mm

d₁ – – 70.5 mm

D₁ – – 97.8 mm

a – 61 mm

h – 8.1 mm

b – 6.5 mm

r₀ – 1 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 – 137 kN

Basic static load rating – C₀ – 118 kN

Fatigue load limit – P_u – 5 kN

Reference speed – 7000 r/min

Limiting speed – 10000 r/min

Calculation factor – k_a – 1.1

Calculation factor – e – 0.95

Calculation factor – X – 0.6

Calculation factor – Y₀ – 0.58

Calculation factor – Y₁ – 0.66

Calculation factor – Y₂ – 1.07

Mass bearing – 1.75 kg

Tags :  ALIER , 55x120x29