All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Nut Tapered Adapter Solid-Mounted Bearings > Double Nut Tapered Adapter Four-Bolt Pillow Block > Part Number TAAPH20K308S  

Part Number TAAPH20K308S, Double Nut 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
TAAPH20K308SB
TAAPH20K308SC
TAAPH20K308SEB
TAAPH20K308SEC
TAAPH20K308SEM
TAAPH20K308SEN
TAAPH20K308SEO
TAAPH20K308SET
TAAPH20K308SM
TAAPH20K308SN
TAAPH20K308SO
TAAPH20K308ST

Locking Style
Double Nut Tapered Adapter

Housing Construction
Four-Bolt Pillow Block

UPC Code
0883450129770
0883450129787
0883450129800
0883450129817
0883450129824
0883450129831
0883450129848
0883450129855
0883450198578
0883450198776
0883450276078
0883450276276


Dimensions

Dimension A
4.5 in
114.3 mm

Dimension B
8.54 in
216.9 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
1.65 in
41.9 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension L
4.46 in
113.3 mm

Dimension MT
2.51 in
63.8 mm

Dimension RTT
0.42 in
10.7 mm

Dimension ST
4.8 in
121.9 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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