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Cuscinetti a rullini014NKI2820

CUSCINETTO RULLINI NKI 28/20 TN

Cuscinetti a rullini · 28 × 42 × 20 mm

CUSCINETTO RULLINI NKI 28/20 TN – 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
28mm
Outside diameter
42mm
Width
20mm
Basic dynamic load rating
30.5kN
Basic static load rating
48kN
Limiting speed
14,000r/min

Item details

Item
014NKI2820
Category
A.01.02
Unit of measure
PZ

Technical specifications

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

Dimensions5

Bore diameter28mm
Outside diameter42mm
Width20mm
Radius of fillet (max.)0.3mm
Diameter of housing abutment (max.)40mm

Performance5

Basic dynamic load rating30.5kN
Basic static load rating48kN
Limiting speed14,000r/min
Reference speed12,000r/min
Fatigue load limit6kN

Design11

SealingWithout
Radial internal clearanceCN
CageNon-metallic
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 product0.34kg CO2e