All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Tapered Adapter Solid-Block Mounted Bearings > Tapered Adapter Four-Bolt Pillow Block > Part Number TAPG20K308S  

Part Number TAPG20K308S, Tapered Adapter Four-Bolt Pillow Block

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Specifications  · Dimensions  · Radial and Thrust Factors  · Engineering Seal Speed  · Engineering Bearing Attributes  · Engineering Internal Radial Clearance

Specifications

Engineering Group
Mounted Bearing

Bearing Number
22220

Shaft Size
3 1/2 in

Shaft Size Type
Imperial

Full Timken Part Number
TAPG20K308SB
TAPG20K308SC
TAPG20K308SEB
TAPG20K308SEC
TAPG20K308SEM
TAPG20K308SEN
TAPG20K308SEO
TAPG20K308SET
TAPG20K308SM
TAPG20K308SN
TAPG20K308SO
TAPG20K308ST

Locking Style
Tapered Adapter

Housing Construction
Four-Bolt Pillow Block

UPC Code
0883450127776
0883450127783
0883450127806
0883450127813
0883450127820
0883450127837
0883450127844
0883450127851
0883450198172
0883450198370
0883450275675
0883450275873


Dimensions

Dimension A
4.41 in
112 mm

Dimension B
8.45 in
214.6 mm

Dimension C
5.12 in
130 mm

Dimension D Min
10.88 in
276.4 mm

Dimension D Max
13.38 in
339.9 mm

Dimension E
2.38 in
60.5 mm

Dimension F
15 in
381 mm

Dimension G
4.31 in
109.5 mm

Dimension H
1.56 in
39.6 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension L
4.46 in
113.3 mm

Dimension M
2.3 in
58.4 mm

Dimension S
3.82 in
97 mm


Radial and Thrust Factors

C0 - Static Load
113000 lbf
502000 N

C - Dynamic Load (Basic)
97700 lbf
435000 N

e - Geometry Factor
0.24

Y1 - Geometry Factor
2.85

Y2 - Geometry Factor
4.24


Engineering Seal Speed

Oil Lubrication - M/N Seal
1200 rpm

Oil Lubrication - T Seal
2000 rpm

Oil Lubrication - B/C/O Seal
900 rpm

Grease Lubrication - M/N Seal
1200 rpm

Grease Lubrication - T Seal
1600 rpm

Grease Lubrication - B/C/O Seal
900 rpm


Engineering Bearing Attributes

Float
0.083 in
2.108 mm

Shaft Tolerance
0.0040 in
0.102 mm


Engineering Internal Radial Clearance

Pre Install Clearance Min
0.0043 in
0.109 mm

Pre Install Clearance Max
0.0055 in
0.140 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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