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Cuscinetti radiali a sfere01161856

CUSCINETTO SKF 61856

Cuscinetti radiali a sfere · 280 × 350 × 33 mm

CUSCINETTO SKF 61856 – Cuscinetti radiali a sfere

Description

Single row deep groove ball bearings are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types. Also available on request with special sized bore and/or outside diameters, suitable for reworked shafts and housings.

  • Simple, versatile and robust design
  • Low friction
  • High-speed capability
  • Accommodate radial and axial loads in both directions
  • Require little maintenance

Key data

Cuscinetti radiali a sfere
Bore diameter
280mm
Outside diameter
350mm
Width
33mm
Basic dynamic load rating
138kN
Basic static load rating
200kN
Limiting speed
2,200r/min

Item details

Item
01161856
Category
A.01.01
Unit of measure
PZ

Technical specifications

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

Dimensions11

Bore diameter280mm
Outside diameter350mm
Width33mm
Diameter of housing abutment (max.)341mm
Diameter of shaft abutment (min.)289mm
Chamfer dimension (min.)2mm
Deviation limits of mid-range bore diameter-0.035 … 0mm
Deviation limits of mid-range outside diameter-0.04 … 0mm
Deviation limits of ring width-0.35 … 0mm
Shoulder diameter ≈302mm
Radius of shaft or housing fillet (max.)2mm

Performance5

Basic dynamic load rating138kN
Basic static load rating200kN
Limiting speed2,200r/min
Reference speed3,400r/min
Fatigue load limit4.75kN

Design14

SealingWithout
Radial internal clearanceCN
CageSheet metal
Bore typeCylindrical
Material, bearingBearing steel
LubricantNone
Number of rows1
Locating feature, bearing outer ringWithout
Relubrication featureWithout
CoatingWithout
Matched arrangementNo
Filling slotsWithout
Minimum load factor0.015
Candidate for remanufacturingYes

Tolerances and clearance4

ISO tolerance class for dimensionsNormal
ISO tolerance class for geometrical tolerancesNormal
Range of section height at outer ring of assembled bearing70µm
Range of section height at inner ring of assembled bearing50µm

Calculation data1

Calculation factor17.3

Classifications4

UNSPSC code31171504
EClass code23-05-08-01
Indicative carbon footprint for new product23.2kg CO2e
Indicative carbon footprint for remanufactured product7.7kg CO2e