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Spherical Roller Bearing Solid-Block Housed Units
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Housed Unit Bearings
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Spherical Roller Bearing Solid-Block Housed Units
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Timken Part Number QAATU15A212S
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Timken Part Number QAATU15A212S, Double Concentric
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Spherical Roller Bearing Solid-Block Housed Units feature rugged cast-steel housings and double-row spherical roller bearings. Designed to offer protection from contaminants, these housed units accommodate shaft sizes from 1-7/16” to 7” (40 mm to 180 mm) and most metric sizes. This product line was formerly known as “QM Blue Brute Bearings.”
Note:
Some products have both imperial and metric dimensions. Selecting “Metric” below will hide the imperial dimensions. Selecting “Both” will display all dimensions.
Unit of Measure:
Imperial |
Metric |
Both
Specifications
·
Dimensions
·
Radial and Thrust Factors
·
Eng Seal Speed
·
Eng Bearing Attributes
·
Eng Internal Radial Clearance
Specifications
Engineering Group
Mounted Bearing
Bearing Number
22215
Shaft Size
2-3/4 in
Shaft Size Type
Imperial
Weight
35.000 lb
Locking Style
Double Concentric
Full Timken Part Number
QAATU15A212S
QAATU15A212SB
QAATU15A212SC
QAATU15A212SEB
QAATU15A212SEC
QAATU15A212SEM
QAATU15A212SEN
QAATU15A212SEO
QAATU15A212SET
QAATU15A212SM
QAATU15A212SN
QAATU15A212SO
QAATU15A212ST
Dimensions
Dimension A
3.0000 in
Dimension C
1.00 in
Dimension D
6.750 in
Dimension E
5.9400 in
Dimension F
1.560 in
Dimension G
1.560 in
Dimension J
4.2500 in
Dimension L
8.6500 in
Dimension M
2.37 in
Dimension N
3.82 in
Dimension P
4.75 in
Dimension S
1.81 in
Radial and Thrust Factors
C - Dynamic Load (Basic)
49900 lb
222 kN
C0 - Dynamic Load (Static)
54100 lb
240 kN
e - Geometry Factor
0.22
Y1 - Geometry Factor
3.01
Y2 - Geometry Factor
4.48
Eng Seal Speed
Oil Lubrication - M/N Seal
1600 rpm
Oil Lubrication - T Seal
2900 rpm
Oil Lubrication - B/C/O Seal
1300 rpm
Grease Lubrication - M/N Seal
1600 rpm
Grease Lubrication - T Seal
2400 rpm
Grease Lubrication - B/C/O Seal
1300 rpm
Eng Bearing Attributes
Float
0.083 in
2.108 mm
Shaft Tolerance
0.002 in
0.051 mm
Eng Internal Radial Clearance
Eng Internal Radial Clearance - Min
0.0020
Eng Internal Radial Clearance - Max
0.0031
Pre Install Clearance Min
0.050 mm
Pre Install Clearance Max
0.080 mm
DOWNLOADS
Eng Seal Temperatures
(JPG, 26KB)
Eng Mounted Bearing Load Ratings
(JPG, 31KB)
QAATU Series IPart.ipt
QAATU15A212S.dxf
QAATU15A212S.igs
Bearing Life Calculator
Bearing Life Calculator
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The Timken Company. ©
The Timken Company. 
©
The Timken Company.