Technical Data

Technical Data

Selecting the right bearing for a specific application requires a review of performance requirements and material operating limitations. Certain design considerations must be met in the device and bearing to address such factors as load, speed, temperature, environment, method of lubrication and fit. Often times sacrifices must be made in one area to satisfy another to achieve optimal life.

Many factors come into play when selecting a bearing or creating a new design in which a ball bearing will be employed. Most important are speed, load and temperature.

LOAD SPEED TEMPERATURE ENVIRONMENT SHAFT / HOUSING
Direction        
Radial Constant Variable Average Vacuum Fits
Axial Hi or Low Max. Operating Gas or Air Geometry
Shock dN> 250,000 Ambient Contaminants Tolerances
Combined       Mounting

BEARING DESIGN PROPERTIES THAT CAN BE MANIPULATED TO MEET CERTAIN PERFORMANCE CRITERIA ARE:

Other Properties

Part Number Properties

Example Part Number: CS6202XXPKWS – C | S | 6202 | XX | PK | WS

 

BALL MATERIAL: – C

  • C = Ceramic (Si3N4)
  • S = Stainless Steel (440C)
  • No symbol = Chrome Stee

RING MATERIAL – S

  • No symbol = Chrome steel
  • S = Stainless Steel (440C
  • S3 = Stainless steel (SS304)
  • C = Ceramic (Si3N4)
  • CR = Ceramic (ZrO2)
  • N = Nylon
  • P = PEEK

SIZE 6202

  • Basic size (see bearing size list)

CLOSURE XX

  • Gas or Air
  • Contaminants

RETAINER MATERIAL – PK

  • PK = PEEK
  • PS = PPS
  • VP1 = Vespel SP1
  • VP3 = Vespel SP3
  • TR = Torlon
  • PT = PTFE
  • NY = Nylon
  • PH = Phenolic
  • No symbol = Metal

LUBRICATION – WS

  • Dry film lubrication / Coating
  • WS = Tungsten Disulfide
  • MO = Moly Disulfide
  • Grease
  • L1 = SRI, General purpose
  • L2 = Poly Rex EM, Electric Motor grade
  • L3 = Krytox, High Temperature
  • L4 = LVP Krytox, Vacuum
  • L5 = Kluber NB52, High speed
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