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Cuscinetti orientabili a sfere0112306

CUSCINETTO SKF 2306

Cuscinetti orientabili a sfere · 30 × 72 × 27 mm

CUSCINETTO SKF 2306 – Cuscinetti orientabili a sfere

Description

Self-aligning ball bearings have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are insensitive to angular misalignment of the shaft relative to the housing, which can be caused, for example, by shaft deflection.

  • Accommodate static and dynamic misalignment
  • Excellent high-speed performance
  • Excellent light load performance
  • Low friction

Key data

Cuscinetti orientabili a sfere
Bore diameter
30mm
Outside diameter
72mm
Width
27mm
Basic dynamic load rating
31.2kN
Basic static load rating
8.8kN
Limiting speed
13,000r/min

Item details

Item
0112306
Category
A.01.01
Unit of measure
PZ

Technical specifications

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

Dimensions9

Bore diameter30mm
Outside diameter72mm
Width27mm
Radius of fillet (max.)1.1mm
Diameter of housing abutment (max.)65mm
Diameter of shaft abutment (min.)37mm
Chamfer dimension (min.)1.1mm
Shoulder diameter outer ring ≈59.8mm
Shoulder diameter inner ring ≈41.9mm

Performance5

Basic dynamic load rating31.2kN
Basic static load rating8.8kN
Limiting speed13,000r/min
Reference speed18,000r/min
Fatigue load limit0.45kN

Design12

SealingWithout
Radial internal clearanceCN
CageSheet metal
Bore typeCylindrical
Material, bearingBearing steel
LubricantNone
Number of rows2
Locating feature, bearing outer ringWithout
Permissible angular misalignment3°
Relubrication featureWithout
CoatingWithout
Retaining feature, inner ringNone

Tolerances and clearance1

Tolerance classNormal

Calculation data5

Calculation factor2.2
Calculation factor1.4
Calculation factor1.4
Limiting value0.44
Calculation factor0.05

Classifications3

UNSPSC code31171532
EClass code23-05-08-06
Indicative carbon footprint for new product1.8kg CO2e