All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Single Concentric Solid-Block Mounted Bearings > Single Concentric Top Pull Take-Up Block > Part Number QATP18A307S  

Part Number QATP18A307S, Single Concentric 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 7/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QATP18A307SB
QATP18A307SC
QATP18A307SEB
QATP18A307SEC
QATP18A307SEM
QATP18A307SEN
QATP18A307SEO
QATP18A307SET
QATP18A307SM
QATP18A307SN
QATP18A307SO
QATP18A307ST

Locking Style
Single Concentric

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
5.13 in
130.2 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
1.44 in
36.5 mm

Dimension L
9.5 in
241.3 mm

Dimension M
2.59 in
65.9 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 RA
0.34 in
8.6 mm

Dimension S
1.38 in
35.1 mm

Dimension TA
4.03 in
102.4 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, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS