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Cuscinetti a rullini014NA4920

CUSCINETTO RULLINI NA 4920(NB)

Cuscinetti a rullini · 100 × 140 × 40 mm

CUSCINETTO RULLINI NA 4920(NB) – Cuscinetti a rullini

Description

Single row needle roller bearings incorporate cylindrical rollers that are small in diameter relative to their length. Owing to their large number of rollers, the bearings have a high load carrying capacity. The outer ring includes two integral flanges to guide the bearing axially and an annular groove with one or more lubrication holes to facilitate relubrication.

  • High radial load carrying capacity
  • High stiffness
  • Low cross-sectional height
  • Accommodate axial displacement in both directions
  • Separable design

Key data

Cuscinetti a rullini
Bore diameter
100mm
Outside diameter
140mm
Width
40mm
Basic dynamic load rating
143kN
Basic static load rating
280kN
Limiting speed
4,000r/min

Item details

Item
014NA4920
Category
A.01.02
Unit of measure
PZ

Technical specifications

25 specifications · highlighted (yellow border): used as catalog filters

Dimensions5

Bore diameter100mm
Outside diameter140mm
Width40mm
Radius of fillet (max.)1mm
Diameter of housing abutment (max.)133.5mm

Performance5

Basic dynamic load rating143kN
Basic static load rating280kN
Limiting speed4,000r/min
Reference speed3,400r/min
Fatigue load limit34kN

Design11

SealingWithout
Radial internal clearanceCN
CageSheet metal
Material, bearingBearing steel
LubricantNone
Number of rows1
Relubrication featureWith
CoatingWithout
Performance classSKF Explorer
Outer ring typeMachined (solid)
Bearing partComplete bearing

Tolerances and clearance1

Tolerance classNormal

Classifications3

UNSPSC code31171512
EClass code23-05-09-03
Indicative carbon footprint for new product7.1kg CO2e