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Cuscinetti radiali a sfere011618/8

CUSCINETTO SKF 618/8 (X8)

Cuscinetti radiali a sfere · 8 × 16 × 4 mm

CUSCINETTO SKF 618/8 (X8) – 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
8mm
Outside diameter
16mm
Width
4mm
Basic dynamic load rating
0.819kN
Basic static load rating
0.3kN
Limiting speed
56,000r/min

Item details

Item
011618/8
Category
A.01.01
Unit of measure
PZ

Technical specifications

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

Dimensions11

Bore diameter8mm
Outside diameter16mm
Width4mm
Diameter of housing abutment (max.)14.6mm
Diameter of shaft abutment (min.)9.4mm
Chamfer dimension (min.)0.2mm
Deviation limits of mid-range bore diameter-0.008 … 0mm
Deviation limits of mid-range outside diameter-0.008 … 0mm
Deviation limits of ring width-0.12 … 0mm
Shoulder diameter ≈10.5mm
Radius of shaft or housing fillet (max.)0.2mm

Performance5

Basic dynamic load rating0.819kN
Basic static load rating0.3kN
Limiting speed56,000r/min
Reference speed90,000r/min
Fatigue load limit0.012kN

Design13

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

Tolerances and clearance4

ISO tolerance class for dimensionsNormal
ISO tolerance class for geometrical tolerancesNormal
Range of section height at outer ring of assembled bearing15µm
Range of section height at inner ring of assembled bearing10µm

Calculation data1

Calculation factor7.5

Classifications3

UNSPSC code31171504
EClass code23-05-08-01
Indicative carbon footprint for new product0.01kg CO2e