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Cuscinetti a rullini014RNA4912

CUSCINETTO RULLINI RNA 4912

Cuscinetti a rullini · 85 × 25 mm

CUSCINETTO RULLINI RNA 4912 – 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
85mm
Width
25mm
Basic dynamic load rating
69.5kN
Basic static load rating
114kN
Limiting speed
6,700r/min
Reference speed
6,000r/min

Item details

Item
014RNA4912
Category
A.01.02
Unit of measure
PZ

Technical specifications

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

Dimensions4

Outside diameter85mm
Width25mm
Radius of fillet (max.)1mm
Diameter of housing abutment (max.)80mm

Performance5

Basic dynamic load rating69.5kN
Basic static load rating114kN
Limiting speed6,700r/min
Reference speed6,000r/min
Fatigue load limit14.6kN

Design10

SealingWithout
CageSheet steel
Material, bearingBearing steel
LubricantNone
Number of rows1
Relubrication featureWith
CoatingWithout
Performance classSKF Explorer
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 product1kg CO2e