0521 992200fmi@fmiparma.it
|
Cuscinetti a rullini014RNA4909

CUSCINETTO RULLINI RNA 4909

Cuscinetti a rullini · 68 × 22 mm

CUSCINETTO RULLINI RNA 4909 – 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
68mm
Width
22mm
Basic dynamic load rating
52kN
Basic static load rating
78kN
Limiting speed
8,500r/min
Reference speed
7,500r/min

Item details

Item
014RNA4909
Category
A.01.02
Unit of measure
PZ

Technical specifications

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

Dimensions4

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

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 product0.7kg CO2e