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 QJ 248 N2MA SKF TOP 10 Bearing  QJ 248 N2MA SKF TOP 10 Bearing  QJ 248 N2MA SKF TOP 10 Bearing  QJ 248 N2MA SKF TOP 10 Bearing

QJ 248 N2MA SKF TOP 10 Bearing

NSK has engaged in technological challenges for many years, working with customers around the world to develop effective solutions. We have developed high performance Bearing...
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  • QJ 248 N2MA SKF

Product Description

NSK has engaged in technological challenges for many years, working with customers around the world to develop effective solutions. We have developed high performance Bearing QJ 248 N2MA SKF through strengthening our global R&D focus. We continue to create top of the line

Bearing QJ 248 N2MA SKF that utilize the core technologies of lubrication, materials, and analytical techniques to respond to field requirements.

NSK Engineers will conduct a physical inspection of your existing Bearing QJ 248 N2MA SKF arrangement and machinery, collect data and where appropriate offer advice on how to enhance bearing life or improve Bearing QJ 248 N2MA SKF performance.

NSK Engineers can assist your maintenance team during installation of large size or special bearings. Our experience engineering team can also share best maintenance practice in the area of proper mounting and dismounting methods to prevent premature Bearing QJ 248 N2MA SKF failure.

Bearing QJ 248 N2MA Bearing QJ 248 N2MA

Angular contact ball bearings, four-point contact ball bearings QJ 248 N2MA

Bearing number : QJ 248 N2MA

Size mm : 440x240x72

Brand : SKF

Bore Diameter mm : 440

Outer Diameter mm : 240

Width mm : 72

Bearing dimensions and specification in brand catalogue :

d - 240 mm

D - 440 mm

B - 72 mm

d1 - - 315 mm

D1 - - 365 mm

a - 238 mm

h - 12.5 mm

b - 15 mm

r0 - 2.5 mm

r1,2 - min. - 4 mm

da - min. - 258 mm

Da - max. - 422 mm

ra - max. - 3 mm

Basic dynamic load rating - C - 650 kN

Basic static load rating - C0 - 1200 kN

Fatigue load limit - Pu - 27.5 kN

Reference speed - 1500 r/min

Limiting speed - 2400 r/min

Calculation factor - ka - 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 - 53.2 kg


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