All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Single Concentric Solid-Block Mounted Bearings > Single Concentric Take-Up Block > Part Number QATU18A307S  

Part Number QATU18A307S, Single Concentric 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
QATU18A307SB
QATU18A307SC
QATU18A307SEB
QATU18A307SEC
QATU18A307SEM
QATU18A307SEN
QATU18A307SEO
QATU18A307SET
QATU18A307SM
QATU18A307SN
QATU18A307SO
QATU18A307ST

Locking Style
Single Concentric

Housing Construction
Take-Up

UPC Code
0883450050807
0883450050814
0883450050838
0883450050845
0883450050852
0883450050869
0883450050876
0883450050883
0883450195263
0883450195423
0883450272445
0883450272612


Dimensions

Dimension A1
3.63 in
92.2 mm

Dimension C
1 in
25.4 mm

Dimension D
7.63 in
193.8 mm

Dimension E
6.81 in
173 mm

Dimension F
1.81 in
46 mm

Dimension G
1.88 in
47.8 mm

Dimension J
4.88 in
124 mm

Dimension L
10.12 in
257 mm

Dimension KA
1.44 in
36.6 mm

Dimension M
2.59 in
65.8 mm

Dimension N
4.22 in
107.2 mm

Dimension P
6.25 in
158.8 mm

Dimension S
1.81 in
46 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