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BALL BEARING HOUSED UNITS<br />
ENGINEERING • SELECTION GUIDE FOR APPLICATIONS<br />
SELECTION GUIDE FOR APPLICATIONS<br />
BALL-BEARING HOUSED UNITS<br />
This is a general guide. For operating conditions outside the ranges identified in table A-18, consult your <strong>Timken</strong> engineer.<br />
TABLE A-18. APPLICATION FACTOR<br />
(Low) -30000 dN Increasing Speed 175000 dN 250000 dN (1)<br />
-34° C (-30° F) Increasing Temperature +121° C (+250° F) +135° C (275° F)<br />
(Severe) Increasingly Contaminated Environment (Slight)<br />
(1)<br />
<strong>Bearing</strong> bore (mm) x RPM.<br />
Table A-19 is an application selection guide for ball-bearing housed units.<br />
Load<br />
Light<br />
Duty<br />
Normal<br />
Duty<br />
Heavy<br />
Duty<br />
Wide Inner<br />
Ring <strong>Ball</strong><br />
<strong>Bearing</strong> with<br />
Tri-ply Seals<br />
Self-Locking<br />
Collar<br />
TABLE A-19. BALL-BEARING HOUSED-UNIT SELECTION GUIDE FOR APPLICATIONS<br />
Wide-Inner-Ring <strong>Ball</strong><br />
<strong>Bearing</strong> With Contact Seals<br />
Self-Locking Collar<br />
<strong>Bearing</strong> Types<br />
Extended Inner Ring<br />
<strong>Bearing</strong> with Contact Seals<br />
Self-Locking Collar<br />
Wide-Inner-Ring<br />
<strong>Ball</strong> <strong>Bearing</strong> with<br />
Contact Seals<br />
Set Screw Lock<br />
Narrow Width<br />
<strong>Bearing</strong> with<br />
Contact Seals<br />
Set Screw Lock<br />
Wide-Inner-Ring<br />
<strong>Ball</strong> <strong>Bearing</strong> with<br />
Labyrinth<br />
or Special Seals<br />
Self-Locking Collar<br />
Housing Type Housing Type Housing Type Housing Type Housing Type Housing Type<br />
Pillow<br />
Block<br />
Flange<br />
Unit<br />
Pillow<br />
Block<br />
Flange<br />
Unit<br />
Take-<br />
Up<br />
Unit<br />
Cartridge<br />
Pillow<br />
Block<br />
Flange<br />
Unit<br />
Take-<br />
Up<br />
Unit<br />
PB (1) LFST (1) MSTU (1) RCSM (1)<br />
PBS (1) VFMST (1) RCR (1)<br />
RBG(U) RBGF LCR (1)<br />
RR, RRT (1) RPB (1) RA, RAT (1) RABR (1)<br />
RRTR (1) RATR (1)<br />
GRR<br />
GRA<br />
Cartridge Pillow Flange<br />
Block Unit<br />
Take-<br />
Up<br />
Unit<br />
Take-<br />
Pillow Flange<br />
Up<br />
Block Unit<br />
Unit<br />
TAK TCJ RAK RCJ RC VAK VCJ VTU YAS YCJ YTU SAS SCJ STU LAK LCJ LTU<br />
TAS TCJT RAS RCJT VAS VCJT VNTU YAK YCJT SAK SCJT LAS LCJT<br />
RAKH RTU VTB RASC RCJC STB LSA<br />
RAKHL (2) GFRTD(R) TU FLCT (1) RCJTC SAL (3)<br />
Pillow<br />
Block<br />
DRNR RFTD(R) (1) GVFTD(R) RFC LAKHL<br />
GRFD(R) VFTD(R) (1)<br />
RFD(R) (1) GVFD(R) YCJTM<br />
VFD(R) (1)<br />
YASM YCJM<br />
RAO RCJO LAO LCJO<br />
RSAO<br />
(1)<br />
Non-relubricatable.<br />
(2)<br />
Float unit, grease lubrication.<br />
(3)<br />
Fixed and floating. Oil lubrication, SAL and SAOL units, with adjustable seal packages also can be considered for adverse environments.<br />
NOTE: All bearings or units are double sealed and prelubricated with grease except where noted.<br />
LSAO<br />
SAOL (3)<br />
Flange<br />
Unit<br />
Take-<br />
Up<br />
Unit<br />
A-24 TIMKEN ® HOUSED UNIT CATALOG • Download 3D Models and 2D Drawings at cad.timken.com