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 TA4SD28K125S  

Part Number TA4SD28K125S, 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
22228

Shaft Size
125 mm

Shaft Size Type
Metric

Locking Style
Tapered Adapter

Housing Construction
Four-Bolt Pillow Block


Dimensions

Dimension A
7-1/2 in
190.5 mm

Dimension B
13-1/2 in
342.9 mm

Dimension C
7.09 in
180 mm

Dimension D Min
17.75 in
450.9 mm

Dimension D Max
19.75 in
501.7 mm

Dimension E
3-3/4 in
95.3 mm

Dimension F
23 in
584.2 mm

Dimension G
6.01 in
152.7 mm

Dimension H
2 in
50.8 mm

Dimension J (Bolt Size)
1 in
24 mm

Dimension L
6.13 in
155.7 mm

Dimension M
3.05 in
77.5 mm

Dimension S
5.16 in
131 mm


Radial and Thrust Factors

C0 - Static Load
237000 lbf
1060000 N

C - Dynamic Load (Basic)
194000 lbf
863000 N

e - Geometry Factor
0.25

Y1 - Geometry Factor
2.67

Y2 - Geometry Factor
3.98


Engineering Seal Speed

Oil Lubrication - M/N Seal
650 rpm

Oil Lubrication - T Seal
1200 rpm

Oil Lubrication - B/C/O Seal
350 rpm

Grease Lubrication - M/N Seal
650 rpm

Grease Lubrication - T Seal
900 rpm

Grease Lubrication - B/C/O Seal
350 rpm


Engineering Bearing Attributes

Float
0.083 in
2.108 mm

Shaft Tolerance
0.0050 in
0.127 mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min
0.0063

Eng Internal Radial Clearance - Max
0.0079

Pre Install Clearance Min
0.0063 in
0.160 mm

Pre Install Clearance Max
0.0079 in
0.201 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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