BT2B 328130

Double row tapered roller bearings

JOJI double row tapered roller bearings are available in a wide range of designs and types, such as double row tapered roller bearings of the TDI and TDO types, as well as paired single row tapered roller bearings. Depending on the design, the bearings are able to withstand high radial loads and bi-directional axial loads with high rigidity.

  • High radial load carrying capacity
  • Capable of withstanding bi-directional axial loads (except in tandem arrangement)
  • High rigidity
  • Low friction
  • Long service life

+86 13817962999

Overview
Technical Parameters

Overview

Skim Through

Size

Inner Diameter260.0mm
Outer Diameter480.0mm
Total width284.0mm
Inner ring width284.0mm
Outer ring width220.0mm
Contact angle16.0°

Performance

Basic dynamic load rating4330.0kN
Basic rated static load7350.0kN

Properties

Bearing parts Complete set of bearings
Number of columns 2
Locating features, bearing outer ring None
Hole type Cylindrical bore
Cage Steel plate
Arrangement of contact angles (double row bearing) Back-to-Back (O)
Mating Configuration None
Coated Without
Sealed Without
Seal Type Not Applicable
Lubricant None
Relubrication function Without

Logistics

Net weight211.0kg
eClass Code 23-05-09-10

Technical Parameters

Technical Parameters

Size

d260.0mm Hole diameter
D480.0mm Outer diameter
T284.0mm Total width
C220.0mm Outer ring width
d1 ≈366.0mm Shaft shoulder diameter
D1 ≈454.0mm Bearing housing shoulder diameter
D1 ≈454.0mm Bearing housing shoulder diameter
r1,2 min.5.0mm Inner ring chamfer size
r3,4 min.1.5mm Outer ring chamfer size
a233.0mm Distance between pressure points

Data calculation

Basic dynamic load rating4330.0 Basic dynamic load rating
Basic static load rating7350.0 Basic static load rating
Fatigue load limit600.0 Fatigue load limit
Limit value0.43 Limit value
Calculation factor1.6 Calculation Factor
Calculation factor2.3 Calculation factor
Calculation factor1.6 Calculation factor
Radial specific load rating1080.0 Radial specific load rating
Axial specific load rating456.0 Axial specific load rating
Thrust coefficient1.36 Thrust factor

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