All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Top Pull Take-Up Block > Part Number QMTP18J308S  

Part Number QMTP18J308S, Eccentric Top Pull Take-Up 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 1/2 in

Shaft Size Type
Imperial

Full Timken Part Number
QMTP18J308SB
QMTP18J308SC
QMTP18J308SEB
QMTP18J308SEC
QMTP18J308SEM
QMTP18J308SEN
QMTP18J308SEO
QMTP18J308SET
QMTP18J308SM
QMTP18J308SN
QMTP18J308SO
QMTP18J308ST

Locking Style
Eccentric

Housing Construction
Top Pull Take-Up


Dimensions

Dimension A1
4.32 in
109.7 mm

Dimension B
4.09 in
103.9 mm

Dimension C
4.76 in
121 mm

Dimension D
9.94 in
252.5 mm

Dimension E
8.41 in
213.6 mm

Dimension F
2.41 in
61.3 mm

Dimension G
3.54 in
90 mm

Dimension H
4.5 in
114.3 mm

Dimension J
2.25 in
57.1 mm

Dimension K
1.43 in
36.3 mm

Dimension L
9.5 in
241.3 mm

Dimension M
2.59 in
65.8 mm

Dimension N
4.37 in
110.9 mm

Dimension P
9 in
228.6 mm

Dimension Q
1.31 in
33.3 mm

Dimension R
0.35 in
8.8 mm

Dimension S
1.38 in
35.1 mm

Dimension T
4.02 in
102.1 mm

Dimension U
0.81 in
20.6 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
0.08 in
2.03 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, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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