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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 QAC11A204S
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Timken Part Number QAC11A204S, Single 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
22211
Shaft Size
2-1/4 in
Shaft Size Type
Imperial
Weight
13.000 lb
Locking Style
Single Concentric
Full Timken Part Number
QAC11A204S
QAC11A204SB
QAC11A204SC
QAC11A204SEB
QAC11A204SEC
QAC11A204SEM
QAC11A204SEN
QAC11A204SEO
QAC11A204SET
QAC11A204SM
QAC11A204SN
QAC11A204SO
QAC11A204ST
Dimensions
Dimension BC
6.00 in
Dimension B Fix
2.14 in
Dimension B Exp
2.22 in
Dimension C
3.25 in
Dimension D
5.000 in
Dimension E
4.2400 in
Dimension F
7.300 in
Dimension G
50.000 in
Dimension H
0.5800 in
Dimension J
0.5000 in
Dimension KA
1.13 in
Dimension L Exp
3.35 in
Dimension L Fix
3.27 in
Dimension M
2.00 in
Dimension N
1.13 in
Dimension RA
0.14 in
Dimension SA
3.13 in
Radial and Thrust Factors
C - Dynamic Load (Basic)
31400 lb
140 kN
C0 - Dynamic Load (Static)
31900 lb
142 kN
e - Geometry Factor
0.25
Y1 - Geometry Factor
2.74
Y2 - Geometry Factor
4.08
Eng Seal Speed
Oil Lubrication - M/N Seal
2200 rpm
Oil Lubrication - T Seal
3800 rpm
Oil Lubrication - B/C/O Seal
1600 rpm
Grease Lubrication - M/N Seal
2200 rpm
Grease Lubrication - T Seal
3200 rpm
Grease Lubrication - B/C/O Seal
1600 rpm
Eng Bearing Attributes
Float
0.05 in
1.270 mm
Shaft Tolerance
0.0015 in
0.038 mm
Eng Internal Radial Clearance
Eng Internal Radial Clearance - Min
0.0016
Eng Internal Radial Clearance - Max
0.0026
Pre Install Clearance Min
0.040 mm
Pre Install Clearance Max
0.065 mm
DOWNLOADS
Eng Seal Temperatures
(JPG, 26KB)
Eng Mounted Bearing Load Ratings
(JPG, 39KB)
QAC Series Ipart.ipt
QAC11A204S.dxf
QAC11A204S.igs
Bearing Life Calculator
Bearing Life Calculator
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The Timken Company. ©
The Timken Company. 
©
The Timken Company.