Page 1037 - Rollingbearings

Designation system
Design Mounting Designation

considerations system
During mounting, INSOCOAT bearings
should be handled in the same way as
Abutment standard bearings Refer to Designation system of the relevant
When using an induction heater for bear-
dimensions ings with a coated inner ring (designation standard bearing:
sufix VL2071 or VL2076), use a protective • deep groove ball bearings, page 258
To maximize the effectiveness of the insula- sleeve or an additional plastic support block • cylindrical roller bearings, page 514
tion, SKF recommends the following guide- In cases where springs are used to apply
lines for dimensioning the shaft and housing preload to deep groove ball bearings or lock The designation sufixes used to identify
shoulders (ig. 5): nuts are used for axial clamping, SKF recom- INSOCOAT bearings are explained in the
mends inserting a steel spacer ring between following
• Bearings with a coated outer ring (desig- the bearing and the preload or locking device
nation sufix VL0241 or VL0246): housing (ig. 6) VL0241 External surfaces of the outer ring
abutment diameter ≥ D a min The values for d a min and d a max can be are coated – standard layer
• Bearings with a coated inner ring (desig- obtained from the product tables: VL0246 External surfaces of the outer ring
nation sufix VL2071 or VL2076): shaft are coated – advanced layer
abutment diameter ≤ d a max • INSOCOAT deep groove ball bearings, VL2071 External surfaces of the inner ring
page 1036 are coated – standard layer
The values for D a min and d a max can be • INSOCOAT cylindrical roller bearings, VL2076 External surfaces of the inner ring
obtained from the product tables: page 1038 are coated – advanced layer

• INSOCOAT deep groove ball bearings,
page 1036
• INSOCOAT cylindrical roller bearings,
page 1038

20

Fig. 5 Fig. 6
Abutment dimensions Bearing axially clamped by a lock nut

≥ 1 mm

D a min d a max
≤ d a max ≤ d a max
≥ d a min ≥ d a min
Coated outer ring Coated inner ring Steel spacer ring

1035