PLUMMER BLOCKS BSC HOUSINGS DESIGNATION SYMBOLS
* F
S
SN
511
FOUR BOLT SECURING
SOLID SPLIT SIZE BASE PLUMMER BLOCK
PREFIX
BASIC HOUSING DESIGNATION
A CLOSED HOUSING
SPLIT HOUSINGS ‘SN’ ‘SSN’
Medium Duty Heavy Duty Solid Base Undrilled Large Series for 231 Series Bearings
‘SD’
NON-SPLIT HOUSINGS ‘SB’ ‘WB’ ‘FC’ ‘RFS’ ‘CFCN’ ‘TH’
Medium Duty Block Heavy Duty Block Square Flanged Housing Spigot Flanged Housing Spigot Circular Flanged Housing Take-Up Housing
PREFIX T F T F
‘SN’ ‘SSN’ ‘SSN’ ‘SSN’ ‘SD’ ‘SSD’ ‘SSD’ ‘SSD’
BASE SECURING BOLT HOLES Cast 2 Bolt Slot Standard Solid Base Undrilled 2 Bolt Hole Drilled 4 Bolt Hole Drilled Cast 4 Bolt Hole Standard Solid Base Undrilled 2 Bolt Hole Drilled 4 Bolt Hole Drilled
TS
E
T RIPLE SEAL LABYRINTH COLLAR
ENGLISH ENTRY (INCHES)
SEALING ARRANGEMENT
GH
SG
GREASE MATERIAL HOLE
‘TSE’ ‘TSM’
4. Face Seal Horizontal Labyrinth Collars:i) Inch ii) Metric
‘LSE’ ‘LSM’
5. Face Seal and Wiping Lip Horizontal Labyrinth Collars:i) Inch ii) Metric
-
6. Face Seal and Wiping Lip Horizontal Labyrinth Collars Grease Purge Sealing:i) Inch ‘LSE’ TAC ii) Metric ‘LSM’ TAC 7. Triple Seal Combination Labyrinth Collar and Wiping Lip Grease Purge Sealing:i) Inch ‘TSE’ TAC ii) Metric ‘TSM’ TAC
HOUSING SIZE The first figure designates the series. 1. ‘500’ 2. ‘600’
ADAPTER SLEEVE NO.
Example:- 22211 K + H 311
MATERIAL
SUFFIX
Grey Cast Iron to AUST. STD G8 Grade 14 (Colour Code - Grey) ‘SG’ Spheroidal Graphitic Iron to AUST STD G9 Grade SNG 32/7 (Colour Code - Orange) ‘S’ Cast Steel (Colour Code - Black) MISCELLANEOUS
‘SG’ ‘S’
SUFFIX
Drilled Relief Hole no Slinger Disc. G.H. Housings supplied with Grease G.V. Relief Slinger Disc. Housings required with Oil Lubrication should be specified
CLOSED HOUSINGS I.E
Normal Duty Heavy Duty
The last two figures designate the final two digits of the Bearing Number.
BEARING NO.
Selected Bearing from Housing Tables with Adapter Sleeve.
‘Z’
‘LSE’ Z ‘LSM’ Z
+ H311
BEARING AND ADAPTER SLEEVE
SUFFIX
1. Std Felt Groove 2. ‘Z’ Seal 3. Triple Seal Vertical Labyrinth Collars:i) Inch ii) Metric
22211 K
1 Side Open 1 Side Closed
OPEN HOUSINGS I.E
Both Sides Open
SUFFIX ‘A’ SUFFIX ‘B’
* THIS SEQUENCE OF DESIGNATION SHOULD BE FOLLOWED WHEN ORDERING BSC TRANSMISSION BEARINGS
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