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Bearings

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  1. B6203 Motor Bearing 6203zz
    Model: B6203
    B6203 Motor Bearing 6203zz
    $15.99

    Ships Factory Direct

  2. SULLAIR 741191 GSKT,BEARING BOX Compressor Part from Air Engineering
    Model: 741191
    Sullair Compressors
  3. SULLAIR 741226 GSKT,BEARING BOX Compressor Part from Air Engineering
    Model: 741226
    Sullair Compressors
  4. SULLAIR 250024-403 BEARING, CONE INNER Compressor Part from Air Engineering
    Model: 250024-403
    Sullair Compressors
  5. SULLAIR 741179 GSKT,BEARING BOX Compressor Part from Air Engineering
    Model: 741179
    Sullair Compressors
  6. SULLAIR 741175 GSKT,BEARING BOX Compressor Part from Air Engineering
    Model: 741175
    Sullair Compressors
  7. SULLAIR 5423C840 BRG,BEARING Compressor Part from Air Engineering
    Model: 5423C840
    Sullair Compressors
  8. SULLAIR 59000790 BRG,BEARING Compressor Part from Air Engineering
    Model: 59000790
    Sullair Compressors
  9. 40119 - BEARING, OUTER (409183)
    Model: 40119
    Sullair Compressors
  10. 49591 - CUP, BEARING - OUTER
    Model: 49591
    Sullair Compressors
  11. SULLAIR 741194 GSKT,BEARING BOX Compressor Part from Air Engineering
    Model: 741194
    Sullair Compressors
  12. SULLAIR 28015931 BRG,BEARING Compressor Part from Air Engineering
    Model: 28015931
    Sullair Compressors
  13. 40118 - BEARING, INNER (409181)
    Model: 40118
    Sullair Compressors
  14. SULLAIR 12011140 BRG,MOTOR BEARING Compressor Part from Air Engineering
    Model: 12011140
    Sullair Compressors
  15. 49590 - CUP, BEARING - INNER
    Model: 49590
    Sullair Compressors
    49590 - CUP, BEARING - INNER
    $101.00

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Bearings are one of the most commonly used machine parts because their rolling motion make almost all movements easier and they help reduce friction.

Air Compressors use bearings within both piston and rotary screw compressors.  Some say the bearings are the life of the machine.  

Bearings have two key functions:

  • They transfer motion, i.e. they support and guide components which turn relative to one another
  • They transmit forces

Rolling bearings and sleeve bearings
In a sleeve or plain bearing, the axle and the bearing move in opposite directions on a sliding surface. By contrast, the two components of a rolling bearing that move towards one another – the inner and outer rings – are separated by rolling elements. This design generates significantly less friction than a sleeve bearing.

Radial bearings and axial bearings
Bearings can transmit loads in a radial direction or an axial direction (thrust) and in many cases there is a combination of both radial and axial loads to transmit.

Both designs are available as ball bearings or roller bearings. The choice of bearing design depends upon the application in question.