All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Take-Up Block > Part Number QMTU20J312S  

Part Number QMTU20J312S, Eccentric Take-Up Block

    Download PDF Download PDF   
    border="0" Printable Page  
    Email Email This Page  
    Save To Favorites Save To Favorites
  

 




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 3/4 in

Shaft Size Type
Imperial

Full Timken Part Number
QMTU20J312SB
QMTU20J312SC
QMTU20J312SEB
QMTU20J312SEC
QMTU20J312SEM
QMTU20J312SEN
QMTU20J312SEO
QMTU20J312SET
QMTU20J312SM
QMTU20J312SN
QMTU20J312SO
QMTU20J312ST

Locking Style
Eccentric

Housing Construction
Take-Up

UPC Code
0883450104173
0883450104180
0883450104203
0883450104210
0883450104227
0883450104234
0883450104241
0883450104258
0883450169400
0883450169783
0883450260800
0883450261128


Dimensions

Dimension A1
4.13 in
104.9 mm

Dimension C
1.13 in
28.7 mm

Dimension D
9.44 in
239.8 mm

Dimension E
8.63 in
219.2 mm

Dimension F
2.13 in
54.1 mm

Dimension G
2.06 in
52.3 mm

Dimension J
5.63 in
143 mm

Dimension L
11.69 in
296.9 mm

Dimension K
1.63 in
41.4 mm

Dimension M
2.97 in
75.4 mm

Dimension N
4.74 in
120.4 mm

Dimension P
7 in
177.8 mm

Dimension S
2.06 in
52.3 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
0.08 in
2.03 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, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS