All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Round Flange Block > Part Number QMFY18J304S  

Part Number QMFY18J304S, Eccentric Round 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
22218

Shaft Size
3 1/4 in

Shaft Size Type
Imperial

Full Timken Part Number
QMFY18J304SB
QMFY18J304SC
QMFY18J304SEB
QMFY18J304SEC
QMFY18J304SEM
QMFY18J304SEN
QMFY18J304SEO
QMFY18J304SET
QMFY18J304SM
QMFY18J304SN
QMFY18J304SO
QMFY18J304ST

Locking Style
Eccentric

Housing Construction
Round Flange

UPC Code
0883450074421
0883450074438
0883450074452
0883450074469
0883450074476
0883450074483
0883450074490
0883450074506
0883450163743
0883450164283
0883450256100
0883450256636


Dimensions

Dimension BC
9.5 in
241.3 mm

Dimension C
4.76 in
120.9 mm

Dimension D
7.63 in
193.8 mm

Dimension E
6.72 in
170.7 mm

Dimension F
11.13 in
282.7 mm

Dimension H
1.13 in
28.7 mm

Dimension J (Bolt Size)
0.875 in
24 mm

Dimension K
1.44 in
36.6 mm

Dimension L Exp
4.36 in
110.7 mm

Dimension L Fix
4.28 in
108.7 mm

Dimension M
2.59 in
65.8 mm

Dimension N
3.36 in
85.3 mm

Dimension R
0.25 in
6.4 mm

Dimension S
4.03 in
102.4 mm


Radial and Thrust Factors

C0 - Static Load
87200 lbf
388000 N

C - Dynamic Load (Basic)
79700 lbf
355000 N

e - Geometry Factor
0.23

Y1 - Geometry Factor
2.90

Y2 - Geometry Factor
4.31


Engineering Seal Speed

Oil Lubrication - M/N Seal
1400 rpm

Oil Lubrication - T Seal
2400 rpm

Oil Lubrication - B/C/O Seal
1000 rpm

Grease Lubrication - M/N Seal
1400 rpm

Grease Lubrication - T Seal
2000 rpm

Grease Lubrication - B/C/O Seal
1000 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
0.0024

Eng Internal Radial Clearance - Max
0.0039

Pre Install Clearance Min
0.0024 in
0.060 mm

Pre Install Clearance Max
0.0039 in
0.100 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS