NJG 2308 VH

NJG type single row full complement cylindrical roller bearings

Single row full complement cylindrical roller bearings are designed for applications with extremely heavy radial loads and medium speeds. The bearings can be fitted with more rollers as they are not supplied with a cage. NJG-type bearings with integral retaining edges on both sides of the outer ring and a retaining edge on one side of the inner ring allow unidirectional axial displacement. The outer ring with the self-retaining roller set can be separated from the inner ring, which facilitates mounting and makes the bearing components interchangeable.

  • High radial load carrying capacity
  • High radial stiffness
  • Long service life
  • Unidirectional axial positioning of the shaft possible
  • Separable design

+86 13817962999

Overview
Technical Parameters

Overview

Skim Through

Size

Inner Diameter40.0mm
Outer Diameter90.0mm
Width33.0mm

Performance

Basic rated dynamic load145.0kN
Basic rated static load156.0kN
Reference speed3000.0r/min
Limiting speed3600.0r/min

Properties

Bearing parts Complete set of bearings
Axial displacement capacity In one direction
Number of columns 1
Locating feature, bearing outer ring None
Hole type Cylindrical bore
Cage without
Design Separate
Number of flanges, outer ring 2
Number of flanges, inner ring 1
Loop flange no
Radial clearance CN
Tolerance class Normal
Coating Without
Sealing Without
Lubrication without
Relubrication function without

Logistics

Net weight1.02kg
eClass Code 23-05-09-01
UNSPSC Code 31171505

Technical Parameters

Technical Parameters

Size

d40.0mm Hole diameter
D90.0mm Outer diameter
B33.0mm Width
d1 ≈59.1mm Diameter of inner ring retaining edge
D1 ≈75.2mm Outer ring edge diameter
F51.15mm Inner ring raceway diameter
s2.4mm Allowable axial displacement of the bearing ring relative to other rings in normal position", "qualifier" : "max.
r1,2 min.1.5mm Chamfering dimensions

Shoulder dimensions

da min.49.0mm Shaft shoulder diameter
das max.49.0mm Shaft shoulder diameter54.4mm
db Shaft shoulder diameter
Da max.81.0mm Bearing housing shoulder size
ra max.1.5mm Chamfering radius

Data calculation

Basic dynamic load rating C145.0kN
Basic rated static loadC0156.0kN
Fatigue Load LimitPu20.0kN
Reference speed3000.0r/min
Limit speed3600.0r/min
Calculation coefficientkr0.35
Limit value e0.3
Calculation coefficient Y0.4

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