Page 158 - SKF-bearing-housings

Split plummer block housings SNLN 30 series

Designation system for seals
TSN 228 L
TNF 3048
Series
TSN Seal for SNLN 30 plummer block housings
TNF Taconite heavy-duty seal with axial labyrinth for housings from size 3034 to 3056
Size identification
30(00) For housings from size 3024 to 3056, for bearings on an adapter sleeve
2(00) For housings from size 3024 to 3032, for bearings on a cylindrical seat
30(00)/… For housings from size 3034 to 3056, for bearings on a cylindrical seat
Seal type
A 1) V-ring seal
C 1) Felt seal
CB 1) Felt seal for high operating temperature
L 1) Four-lip seal
S Labyrinth seal
NB 1) Taconite heavy-duty seal with axial labyrinth and V-ring seal
NC 1) Taconite heavy-duty seal with axial labyrinth
ND 1) Taconite heavy-duty seal with radial labyrinth and V-ring seal

1) For housings from size 3024 to 3032

Designation system for end covers
ASNH 526
ETS 3038

Series
ASNH End cover of plastic for SNLN 30 plummer block housings,
size 3024 to 3032
ETS End cover of grey cast iron for SNLN 30 plummer block housings,
size 3034 to 3056
Size identification
524-620 For housings size 3024 (series ASNH)
5(00) For housings from size 3026 to 3032 (series ASNH)
30(00) For housings from size 3034 to 3056 (series ETS)
(00) Size code of the bearing, (00) ¥ 5 = bearing bore diameter [mm]

Designation system for locating rings
FRB 12/180
Series
FRB Locating ring for SKF bearing housings
Size identification
… Width and outside diameter of the locating ring [mm]

154