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Technical Parameters:
Product Designations:
561271
Structure:
Cylindrical roller bearing
Inside Diameter:
440 mm
Outside Diameter:
620 mm
Thickness:
470 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:561271 Four row Cylindrical roller bearing
Dimension:440X620X470 mm/Metic
ID(inner diameter)/Bore:440 mm
OD(outer diameter):620 mm
Width/Height/thickness:470 mm
Fw:487 mm
Number of roller:Four row
Quantity: One Bearing
Dynamic load rating Cr: 9300 KN
Static load rating Cor: 19300 KN
Weight:428 kgs
The forging material:GCr15SiMn GCr15,G20Cr2Ni4A (Case hardened steel )
The cage type: Brass solid cages or pin-type cages
The delivery time:20-30 days
The package:standard export wooden case or carton boxes.
561271 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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