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Cuscinetti a rullini014NA4844

CUSCINETTO RULLINI NA 4844

Cuscinetti a rullini · 220 × 270 × 50 mm

CUSCINETTO RULLINI NA 4844 – 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
220mm
Outside diameter
270mm
Width
50mm
Basic dynamic load rating
238kN
Basic static load rating
815kN
Limiting speed
1,900r/min

Item details

Item
014NA4844
Category
A.01.02
Unit of measure
PZ

Technical specifications

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

Dimensions5

Bore diameter220mm
Outside diameter270mm
Width50mm
Radius of fillet (max.)1.5mm
Diameter of housing abutment (max.)262mm

Performance5

Basic dynamic load rating238kN
Basic static load rating815kN
Limiting speed1,900r/min
Reference speed1,700r/min
Fatigue load limit81.5kN

Design10

SealingWithout
Radial internal clearanceCN
CageSheet metal
Material, bearingBearing steel
LubricantNone
Number of rows1
Relubrication featureWith
CoatingWithout
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 product23.6kg CO2e