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Cuscinetti orientabili a sfere0112311

CUSCINETTO SKF 2311

Cuscinetti orientabili a sfere · 55 × 120 × 43 mm

CUSCINETTO SKF 2311 – 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
55mm
Outside diameter
120mm
Width
43mm
Basic dynamic load rating
76.1kN
Basic static load rating
24kN
Limiting speed
7,500r/min

Item details

Item
0112311
Category
A.01.01
Unit of measure
PZ

Technical specifications

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

Dimensions9

Bore diameter55mm
Outside diameter120mm
Width43mm
Radius of fillet (max.)2mm
Diameter of housing abutment (max.)109mm
Diameter of shaft abutment (min.)66mm
Chamfer dimension (min.)2mm
Shoulder diameter outer ring ≈101mm
Shoulder diameter inner ring ≈72mm

Performance5

Basic dynamic load rating76.1kN
Basic static load rating24kN
Limiting speed7,500r/min
Reference speed11,000r/min
Fatigue load limit1.25kN

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 factor2.4
Calculation factor1.6
Calculation factor1.6
Limiting value0.4
Calculation factor0.05

Classifications3

UNSPSC code31171532
EClass code23-05-08-06
Indicative carbon footprint for new product7.7kg CO2e