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Vacuum Ball Bearings

BENEFITS

  • Especially suited for clean vacuum applications and extrem residual gas requirements.
  • With shields (non-rubbing seals)
  • With dry lubrication
  • Bearing clearance
  • 2011/65/EU RoHS compliant

Part number

Type Part number
Ball bearing 10/26×8 6000 214-215
Ball bearing 12/28×8 6001 214-216
Ball bearing 4/13×5 624 214-211
Ball bearing 5/14×5 605 214-212
Ball bearing 6/19×6 626 214-213
Ball bearing 8/22×7 608 214-214

Specifications

624
605
 626 608 6000 6001
Service life 1) (revolutions) > 20 Mio. > 20 Mio. > 20 Mio. > 20 Mio. > 20 Mio. > 20 Mio.
Pressure (absolute) mbar 1 × 10-12 … 1 × 10-2 1 × 10-12 … 1 × 10-2 1 × 10-12 … 1 × 10-2 1 × 10-12 … 1 × 10-2 1 × 10-12 … 1 × 10-2 1 × 10-12 … 1 × 10-2
Operating temperature 2) °C -200 … +300 -200 … +300 -200 … +300 -200 … +300 -200 … +300 -200 … +300
Material
Inner ring, outer ring, balls AISI/DIN stainless steel –/1.4037 stainless steel –/1.4037 stainless steel –/1.4037 stainless steel –/1.4037 stainless steel –/1.4037 stainless steel –/1.4037
Cage AISI/DIN stainless steel 430/1.4016 stainless steel 430/1.4016 stainless steel 430/1.4016 stainless steel 430/1.4016 stainless steel 430/1.4016 stainless steel 430/1.4016
Coating (dry lubrication)
Inner ring, outer ring, cage Wolfratherm® Wolfratherm® Wolfratherm® Wolfratherm® Wolfratherm® Wolfratherm®
Rotational speed at
20 °C rpm 5000 4000 3000 2500 2000 1500
300 °C rpm 1500 1500 1000 800 500 300
Load capacity 3)
Static load rating (Co) N 400 400 800 1000 1500 2000
Dynamic load rating (C) N 50 50 100 150 200 250
Axial load << C << C << C << C << C << C
Fit according to ISO G6/f6 G6/f6 G6/f6 G6/f6 G6/f6 G6/f6
Weight g 3 4 8 13 20 25
1) At half load and >1000 rpm
2) At -200°C reduction of tenacity
3) At 20°C; half value at 300°C

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