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Technical Parameters:
Product Designations:
517678
Structure:
Cylindrical roller bearing
Inside Diameter:
790 mm
Outside Diameter:
1120 mm
Thickness:
810 mm
Brand:
JHB
Precision Rating:
P5 P6 PO
Bearing Material:
GCr15SiMn GCr15 G20Cr2Ni4A
Seals Type:
No
Description:Four row cylindrical roller bearing for interference fit on the roll neck
Type:517678 Four row Cylindrical roller bearing
Dimension:790X1120X810 mm/Metic
ID(inner diameter)/Bore:790 mm
OD(outer diameter):1120 mm
Width/Height/thickness:810 mm
Fw:875 mm
Number of roller:Four row
Quantity: One Bearing
Dynamic load rating Cr: 30000 KN
Static load rating Cor: 69500 KN
Weight:2605 kgs
The forging material:GCr15SiMn GCr15,G20Cr2Ni4A (Case hardened steel )
The cage type: Brass solid cages or pin-type cages
The delivery time:30-40 days
The package:standard export wooden case or carton boxes.
517678 Four-row cylindrical roller bearings are the one of the main bearings for rolling mills.They mount for interference fit on the roll neck.
They have compact structures and high stiffness,and can carry high radial loads but not axial loads.
Because of inner rings with no ribs, inner and outer ring subassembly (with full set of rollers and cage) can be mounted respectively. Cleaning, inspecting and dismounting are very convenient.
Four row cylindrical roller bearings are especially applied to rolling mills required high speed and precision, for example,wire mills,bar and shape mills,cold or hot sheet mills and cogging mills.
Brass solid cages or pin-type cages are mainly used in four-row cylindrical roller bearings.
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