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Cuscinetti a rullini014RNA4838

CUSCINETTO RULLINI RNA 4838

Cuscinetti a rullini · 240 × 50 mm

CUSCINETTO RULLINI RNA 4838 – Cuscinetti a rullini

Description

Single row needle roller bearings without an inner ring consist of an outer ring with a needle roller and cage assembly. They are an excellent choice for compact bearing arrangements in applications where hardened and ground raceways can be provided on the shaft. 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

Key data

Cuscinetti a rullini
Outside diameter
240mm
Width
50mm
Basic dynamic load rating
220kN
Basic static load rating
710kN
Limiting speed
2,200r/min
Reference speed
1,900r/min

Item details

Item
014RNA4838
Category
A.01.02
Unit of measure
PZ

Technical specifications

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

Dimensions4

Outside diameter240mm
Width50mm
Radius of fillet (max.)1.5mm
Diameter of housing abutment (max.)232mm

Performance5

Basic dynamic load rating220kN
Basic static load rating710kN
Limiting speed2,200r/min
Reference speed1,900r/min
Fatigue load limit73.5kN

Design9

SealingWithout
CageSheet steel
Material, bearingBearing steel
LubricantNone
Number of rows1
Relubrication featureWith
CoatingWithout
Outer ring typeMachined (solid)
Bearing partBearing without inner ring

Tolerances and clearance1

Tolerance classNormal

Classifications3

UNSPSC code31171512
EClass code23-05-09-03
Indicative carbon footprint for new product11.9kg CO2e