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Cuscinetti a rullini014PNA2547

CUSCINETTO RULLINI PNA 25/47

Cuscinetti a rullini · 25 × 47 × 20 mm

CUSCINETTO RULLINI PNA 25/47 – Cuscinetti a rullini

Description

Alignment needle roller bearings are self-aligning and offer a compact solution in applications where less space is available. Owing to their large number of rollers, they have a high load carrying capacity. Their internal design, where a convex outer ring meets two concave seating rings encased in a drawn sleeve, enables the bearings to compensate for initial errors of alignment. Bearings with an inner ring are used for applications where the shaft cannot be hardened and ground.

  • High radial load carrying capacity
  • Accommodate static initial misalignment
  • Low cross-sectional height

Key data

Cuscinetti a rullini
Bore diameter
25mm
Outside diameter
47mm
Width
20mm
Basic dynamic load rating
22.9kN
Basic static load rating
38kN
Limiting speed
15,000r/min

Item details

Item
014PNA2547
Category
A.01.02
Unit of measure
PZ

Technical specifications

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

Dimensions4

Bore diameter25mm
Outside diameter47mm
Width20mm
Radius of fillet (max.)0.8mm

Performance5

Basic dynamic load rating22.9kN
Basic static load rating38kN
Limiting speed15,000r/min
Reference speed13,000r/min
Fatigue load limit4.8kN

Design10

SealingWithout
Radial internal clearanceCN
CageSheet metal
Material, bearingBearing steel
LubricantNone
Number of rows1
Relubrication featureWithout
CoatingWithout
Outer ring typeDrawn cup with open ends
Bearing partComplete bearing

Tolerances and clearance1

Tolerance classNormal

Classifications3

UNSPSC code31171512
EClass code23-05-09-03
Indicative carbon footprint for new product0.58kg CO2e