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A PART NUMBERING SYSTEM

EXTERNAL SELF ALIGNING BEARING UNITS

Unit numbers are shown on series pages. BEARING TYPE CODE UC P 2 09
Some examples are shown below. HOUSING TYPE CODE
P : Housing with no groove to suit steel plate dust cover
SP: Housing with groove to suit steel plate dust cover
eg: SP208, SF208, SFL208
DIAMETER SERIES CODE
METRIC BEARING BORE DIAMETER CODE: 09 x 5 = 45mm

BEARING TYPE CODE UC F 3 09 – 112
HOUSING TYPE CODE
DIAMETER SERIES CODE
BORE DIAMETER CODE

IMPERIAL BORE DIAMETER CODE: 112 = 1” + 12 x 1 / 16 = 1 3 / 4

MATERIAL PREFIX CODE (When required) F UC PR 2 08 /LP03
BEARING TYPE CODE
HOUSING TYPE CODE
DIAMETER SERIES NUMBER
METRIC BORE DIAMETER CODE: 08 x 5 = 40mm
GREASE SUFFIX CODE

TAKE UP FRAME No.

BEARING TYPE CODE UC T 2 07 – 23 – 106
HOUSING TYPE CODE
DIAMETER SERIES CODE
METRIC BORE DIAMETER CODE: 07 x 5 = 35mm
TAKE UP FRAME TRAVEL CODE: 23 = 230mm travel allowance
IMPERIAL BORE DIAMETER CODE: 106 = 1” + 6 x 1 / 16 = 1 3 / 8”

INTERNAL SELF ALIGNING BEARING UNITS
Unit numbers for popular split and solid units are as follows:

Split Plummer Block Units HOUSING TYPE: SN SERIES SN 5 17 EM B
Two bolt slot – cored foot base
HOUSING SERIES
500 – Medium duty
600 – Heavy duty
HOUSING SIZE
SEALING ARRANGEMENT: Felt seal standard
EM: Felt seal for common metric/inch shaft entry
M: Felt for metric shaft, only for sizes 08, 13, 18.
SN E: Felt for inch shaft,only for sizes 08, 13, 18.
ENTRY TYPE
A: Closed one side
B: Open both sides

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