All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Tapered Adapter Solid-Block Mounted Bearings > Tapered Adapter Flange Block > Part Number TAFB20K308S  

Part Number TAFB20K308S, Tapered Adapter Flange 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
TAFB20K308SB
TAFB20K308SC
TAFB20K308SEB
TAFB20K308SEC
TAFB20K308SEM
TAFB20K308SEN
TAFB20K308SEO
TAFB20K308SET
TAFB20K308SM
TAFB20K308SN
TAFB20K308SO
TAFB20K308ST

Locking Style
Tapered Adapter

Housing Construction
Flange Block

UPC Code
0883450119771
0883450119788
0883450119801
0883450119818
0883450119825
0883450119832
0883450119849
0883450119856
0883450199377
0883450199575
0883450277013
0883450277211


Dimensions

Dimension A1
13.0 in
330.2 mm

Dimension BC
11.02 in
279.9 mm

Dimension C
5.12 in
130 mm

Dimension D
9.06 in
230.1 mm

Dimension E
7.79 in
197.9 mm

Dimension F
9.76 in
247.9 mm

Dimension H
1.13 in
28.7 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension G
1.25 in
31.75 mm

Dimension L
4.16 in
105.7 mm

Dimension M
2.3 in
58.4 mm

Dimension N
3.71 in
94.2 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
0.26

Y1 - Geometry Factor
2.55

Y2 - Geometry Factor
3.80


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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