Page 1034 - Rollingbearings

20 INSOCOAT bearings
INSOCOAT bearings Cages
with a coated inner SKF INSOCOAT deep groove ball bearings

ring are itted with one of the following cages:

INSOCOAT bearings that have the external • a stamped steel cage, riveted, ball centred
surfaces of the inner ring coated with alu- (no designation sufix)
minium oxide (ig. 2, page 1031) provide • a machined brass cage, riveted, ball
enhanced protection against high frequency centred (designation sufix M)
electric currents These bearings are identi-
ied by the following designation sufixes: For additional information, refer to Cages,
page 249
• VL2071 – standard layer SKF INSOCOAT cylindrical roller bearings
• VL2076 – advanced layer for higher elec- are itted with one of the following cages:
trical resistance
• a glass ibre reinforced PA66 cage,
For availability, contact SKF window-type, roller centred (designation
sufix P)
• a machined brass cage, riveted, roller
centred (designation sufix M)
Capped bearings • a machined brass cage, window-type,
inner or outer ring centred (depending on
Some INSOCOAT deep groove ball bearings bearing design) (designation sufix ML)
can be supplied capped (Capped bearings,
page 242) For availability, contact SKF For additional information, refer to Cages,
page 502
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,
20 page 187

Table 1
Electrical properties
Coating Breakdown voltage (DC) Minimum electrical resistance
Designation sufix
– V MΩ

Standard layer
VL0241, VL2071 3 000 200
Advanced layer
VL0246, VL2076 3 000 400

Valid if:
• Temperature T ≤ 40 °C (105 °F)
• Relative humidity rH ≤ 60%

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