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Designation system for housings

Examples and the applicable options for SNLN 30 housings are given below.

Basic bearing designation system

Example

SNLN 3024 SN
whereSNLN =
3024 =
SN =

Applicable options

Test Designation 1
Prefixes for bolt holes
Two oblong cast holes for attachment bolts
SNo holes for attachment bolts (only for housings
made of spheroidal graphite cast iron)

Test Designation 2
Series
SNLNStandard plummer block housing

Test Designation 2Material
Grey cast iron
DSpheroidal graphite cast iron

Test Designation 6.2
Size identification
30(00)Housings for bearings in the 30 (or 40) dimension series
..(00)Size code of the bearing, (00) x 5 = bearing bore diameter [mm]

Catalogue image - Test Designation 6.3
Suffixes1)
VGrease escape hole in the housing base
TDrilled and tapped hole 1/4-28 UNF at one side of the
housing cap to lubricate the seal. Grease fitting
AH 1/4-28 SAE-LT supplied with the housing.
TDDrilled and tapped hole 1/4-28 UNF at both sides of the
housing cap to lubricate the seals. Two grease fittings
AH 1/4-28 SAE-LT supplied with the housing.
SNDrilled and tapped M8 hole for sensor in position 3 (fig. 1)
/MS1Two drilled holes for attachment bolts
/MS2Four drilled holes for attachment bolts
  1. 1)When multiple suffixes are used, they are listed in the same order as they appear here.
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