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Cuscinetti a rullini014NA4909

CUSCINETTO RULLINI NA 4909

Cuscinetti a rullini · 45 × 68 × 22 mm

CUSCINETTO RULLINI NA 4909 – 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
45mm
Outside diameter
68mm
Width
22mm
Basic dynamic load rating
52kN
Basic static load rating
78kN
Limiting speed
8,500r/min

Item details

Item
014NA4909
Category
A.01.02
Unit of measure
PZ

Technical specifications

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

Dimensions5

Bore diameter45mm
Outside diameter68mm
Width22mm
Radius of fillet (max.)0.6mm
Diameter of housing abutment (max.)64mm

Performance5

Basic dynamic load rating52kN
Basic static load rating78kN
Limiting speed8,500r/min
Reference speed7,500r/min
Fatigue load limit10kN

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 product1kg CO2e