Product Introduction
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- Bearing model
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Model
NNU 4972 B/SPW33
- internal diameter-(mm)
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d
360
- Outer diameter -(mm)
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D
480
- Bearing thickness-(mm)
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B
118
- Dynamic load-(kN)
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cr
1120
- Static load-(kN)
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cor
2800
- Fatigue load limit-(kN)
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Fatigue load limit
255
- Reference speed-(r/min)
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Reference speed
1500
- Limit speed-(r/min)
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Limit speed
1700
NNU 4972 B/SPW33It is applicable to large and medium-sized electric motors, rolling stock, machine tool spindles, internal combustion engines, generators, gas turbines, reduction boxes, rolling mills, vibrating screens and lifting and transportation machinery.