Thomson A4812SS


Ball Bushing, Bore Dia 0.250 In

A4812SS 452681
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ItemBall Bushing Bearing
Bore Dia.0.250"
Inside Dia. Tolerance+/- .001
Outside Dia.0.5000"
Between Grooves (mm)0.515"
Length (In.)0.750
Accelerated Speed450 Feet/Second
Steady State Speed10 Feet/Second
Temp. Range (F)0 - 600
MaterialStainless Steel
Required Housing Bore Dia. (In.)0.5
For Use With Thomson Shafting
Weight 0.025000


Ball Bushing, Closed, Bore Dia 0.250 In, Inside Dia Tolerance +/- .001, Outside Dia 0.500 In, Required Housing Bore Dia 0.5 In, Between Grooves 0.515 In, Length 0.750 In, Dynamic Load Capacity 19 Lb, Temp Range 0 - 600 F, Stainless Steel Material, For Use With Thomson Shafting

Precision Steel Ball Bushing Bearings
  • Bearings provide up to 8 times the bearing service life of high-friction plain bearings, greatly reducing cycle and downtime. Bearing design compensates for torsional misalignment caused by machine deflection or inaccuracies in carriage or base machining. Accurate and compact instrument-rated bearings are excellent for small mechanisms that require high repeatability and responsiveness.
  • Steady-state speeds to 10 fps.; acceleration to 450 fps2 (except instrument-rated bearings) Max. temp.: 500 for steel, 600 F for stainless steel Coefficient of friction as low as 0.001

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