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Timken - Ball Bearing Housed Units

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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

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