0521 992200fmi@fmiparma.it
|
Cuscinetti a rullini014NA4904

CUSCINETTO RULLINI NA 4904

Cuscinetti a rullini · 20 × 37 × 17 mm

CUSCINETTO RULLINI NA 4904 – 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
20mm
Outside diameter
37mm
Width
17mm
Basic dynamic load rating
25kN
Basic static load rating
28.5kN
Limiting speed
17,000r/min

Item details

Item
014NA4904
Category
A.01.02
Unit of measure
PZ

Technical specifications

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

Dimensions5

Bore diameter20mm
Outside diameter37mm
Width17mm
Radius of fillet (max.)0.3mm
Diameter of housing abutment (max.)35mm

Performance5

Basic dynamic load rating25kN
Basic static load rating28.5kN
Limiting speed17,000r/min
Reference speed15,000r/min
Fatigue load limit3.55kN

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 product0.28kg CO2e