All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Nut Tapered Adapter Solid-Mounted Bearings > Double Nut Tapered Adapter Two-Bolt Pillow Block > Part Number TAAPN20K308S  

Part Number TAAPN20K308S, Double Nut Tapered Adapter Two-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
TAAPN20K308SB
TAAPN20K308SC
TAAPN20K308SEB
TAAPN20K308SEC
TAAPN20K308SEM
TAAPN20K308SEN
TAAPN20K308SEO
TAAPN20K308SET
TAAPN20K308SM
TAAPN20K308SN
TAAPN20K308SO
TAAPN20K308ST

Locking Style
Tapered Adapter

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450133524
0883450133531
0883450133555
0883450133562
0883450133579
0883450133586
0883450133593
0883450133609
0883450197366
0883450197571
0883450274876
0883450275071


Dimensions

Dimension A
4.41 in
112 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
12.88 in
327.2 mm

Dimension F
14.75 in
374.7 mm

Dimension G
3.42 in
86.9 mm

Dimension H
1.53 in
38.9 mm

Dimension J (Bolt Size)
0.875 in
24 mm

Dimension L
4.03 in
102.4 mm

Dimension MT
2.3 in
58.4 mm

Dimension RTT
0.58 in
14.73 mm

Dimension ST
4.8 in
124.83 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
0.110 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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