BCZ-0525 B

backspindle shaft bearing

Backing bearings have been developed specifically for cluster cold rolling mills, but can also be used for other applications such as straightening or bending machines. These bearings have a special thick-walled outer ring and can be mounted on fixed support shafts to form backing or straightening rolls.

  • Ultra-precision quality enables runout tolerances to be realised
  • Tight cross-section height tolerances
  • Designed for high loads

+86 13817962999

Overview
Technical Parameters

Overview

Skim Through

Size

Inner Diameter70.0mm
Functional outer diameter160.0mm
Inner ring width90.0mm
Outer ring width89.0mm

Performance

Basic rated dynamic load270.0kN
Basic rated static load345.0kN

Properties

Bearing parts Complete set of bearings
Number of columns 2
Hole type Cylindrical bore
Cage Machined metal
Design with axial guide
Radial clearance NSTD
Tolerance class B
Coated Without
Sealing With seal on both sides
Seal type Fey ring
Relubrication function with

Logistics

Net weight10.4kg
UNSPSC Code 31171505

Technical Parameters

Technical Parameters

Size

D160.0mm Outer diameter
d70.0mm Hole diameter
H max.45.0mm Section height
B90.0mm Total bearing width on inner ring
C89.0mm Total bearing width on outer ring
d1 ≈105.5mm Outer diameter of retaining edge
D1 ≈108.0mm Diameter of outer ring retaining edge / inner diameter of seat ring
b9.8mm Inner ring lubrication groove width
r min.1.0mm Outer ring chamfer size ]}, lubrication hole
K5.0mm Lubrication hole diameter
3.0mm Number of holes

Data calculation

Basic dynamic load rating C 270kN
Basic rated static loadC0 345kN
Fatigue Load LimitPu45.5kN
Maximum radial dynamic loadFr 250kN
Maximum radial static loadF0r 365kN

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