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Designs and variants

INSOCOAT bearings with a coated outer ring
INSOCOAT bearings typically have the external surfaces of the outer ring coated with aluminium oxide (fig. 1, fig. 2). These bearings are identified by the following designation suffixes (table 1):
  • VL0241 – standard layer
  • VL0246 – advanced layer for higher electrical resistance
    For availability, contact SKF.
INSOCOAT bearings with a coated inner ring
INSOCOAT bearings that have the external surfaces of the inner ring coated with aluminium oxide (fig. 3, fig. 4) provide enhanced protection against high frequency electric currents as a result of the smaller coated surface area of the inner ring compared with the outer ring. These bearings are identified by the following designation suffixes (table 1):
  • VL2071 – standard layer
  • VL2076 – advanced layer for higher electrical resistance
    For availability, contact SKF.
Capped bearings
Some INSOCOAT deep groove ball bearings can be supplied capped (→ Single row deep groove ball bearings, Capped bearings). For availability, contact SKF.
Cages
SKF INSOCOAT deep groove ball bearings are fitted with one of the following cages:
  • a stamped steel cage, riveted, ball centred (no designation suffix)
  • a machined brass cage, riveted, ball centred (designation suffix M)

For additional information, refer to Cages.

SKF INSOCOAT cylindrical roller bearings are fitted with one of the following cages:

  • a glass fibre reinforced PA66 cage, window-type, roller centred (designation suffix P)
  • a machined brass cage, riveted, roller centred (designation suffix M)
  • a machined brass cage, window-type, inner or outer ring centred (depending on bearing design) (designation suffix ML)

For additional information, refer to Cages.

When used at high temperatures, some lubricants can have a detrimental effect on polyamide cages. For additional information about the suitability of cages, refer to Cages.

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