All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Flange Block > Part Number QMFL20J312S  

Part Number QMFL20J312S, Eccentric 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 3/4 in

Shaft Size Type
Imperial

Full Timken Part Number
QMFL20J312SB
QMFL20J312SC
QMFL20J312SEB
QMFL20J312SEC
QMFL20J312SEM
QMFL20J312SEN
QMFL20J312SEO
QMFL20J312SET
QMFL20J312SM
QMFL20J312SN
QMFL20J312SO
QMFL20J312ST

Locking Style
Eccentric

Housing Construction
Flange Block

UPC Code
0883450072021
0883450072038
0883450072052
0883450072069
0883450072076
0883450072083
0883450072090
0883450072106
0883450163132
0883450163477
0883450255493
0883450255837


Dimensions

Dimension BC
10.75 in
273.1 mm

Dimension C
6 in
152.4 mm

Dimension D
9.04 in
229.6 mm

Dimension E
7.6 in
193 mm

Dimension F
9.5 in
241.3 mm

Dimension H
1.5 in
38.1 mm

Dimension J (Bolt Size)
1 in
24 mm

Dimension K
1.63 in
41.4 mm

Dimension L Exp
5.29 in
134.4 mm

Dimension L Fix
5.21 in
132.3 mm

Dimension M
2.96 in
75.2 mm

Dimension N
4.12 in
104.6 mm

Dimension R
0.62 in
15.7 mm

Dimension S
4.59 in
116.6 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
2.84

Y2 - Geometry Factor
4.23


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
0.003

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