All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Four-Bolt Pillow Block > Part Number QMPR20J315S  

Part Number QMPR20J315S, Eccentric 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 15/16 in

Shaft Size Type
Imperial

Locking Style
Eccentric

Housing Construction
Four-Bolt Pillow Block


Dimensions

Dimension A
4.25 in
108 mm

Dimension B
8.78 in
223 mm

Dimension C
6 in
152.4 mm

Dimension D Min
10.88 in
276.4 mm

Dimension D Max
13.38 in
339.9 mm

Dimension E
2-1/4 in
57.2 mm

Dimension F
14.88 in
378 mm

Dimension G
4.31 in
109.5 mm

Dimension H
1.4 in
35.6 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension K
1.63 in
41.4 mm

Dimension L
5.13 in
130.3 mm

Dimension M
2.96 in
75.2 mm

Dimension R
0.35 in
8.9 mm

Dimension S
4.59 in
116.7 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
0.0030 in
0.076 mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min
0.0030

Eng Internal Radial Clearance - Max
0.0047

Pre Install Clearance Min
0.0030 in
0.075 mm

Pre Install Clearance Max
0.0047 in
0.120 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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