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Timken QAPR18A090SM is a four-bolt pillow block mounted spherical roller bearing with a 90 mm metric bore and single concentric locking style. This housed unit features a 22218 series spherical roller bearing insert, designed for heavy-duty applications with misalignment tolerance. The cast iron housing provides robust support for industrial machinery such as conveyors, fans, and processing equipment.
MODEL QAPR18A090SM
$877.60 Each
Prices are subject to change
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Returnable:No
Bearing number
22218
Bearing Number
22218
C - Dynamic Load (Basic)
79700 lbf 355000 N
C0 - Static Load
87200 lbf 388000 N
Dimension A
3.75 in 95.3 mm
Dimension B
7.69 in 195.3 mm
Dimension C
5.13 in 130.3 mm
Dimension D Max
11.25 in 285.8 mm
Dimension D Min
9.25 in 235 mm
Dimension E
2.38 in 60.5 mm
Dimension F
13.63 in 346.2 mm
Dimension G
3.75 in 95.3 mm
Dimension H
1.56 in 39.6 mm
Dimension J (Bolt Size)
0.75 in 20 mm
Dimension KA
1.44 in 36.6 mm
Dimension L
4.47 in 113.5 mm
Dimension M
2.59 in 65.8 mm
Dimension RA
0.31 in 7.9 mm
Dimension SA
4.03 in 102.4 mm
e - Geometry Factor
0.23
Eng Internal Radial Clearance - Max
0.0039
Eng Internal Radial Clearance - Min
0.0024
Engineering group
Mounted Bearing
Engineering Group
Mounted Bearing
Float
0.083 in 2.108 mm
Full Timken Part Number
QAPR18A090SB QAPR18A090SC QAPR18A090SEB QAPR18A090SEC QAPR18A090SEM QAPR18A090SEN QAPR18A090SEO QAPR18A090SET QAPR18A090SM QAPR18A090SN QAPR18A090SO QAPR18A090ST
Grease Lubrication - B/C/O Seal
1000 rpm
Grease Lubrication - M/N Seal
1400 rpm
Grease Lubrication - T Seal
2000 rpm
Housing construction
Four-Bolt Pillow Block
Housing Construction
Four-Bolt Pillow Block
Locking style
Single Concentric
Locking Style
Single Concentric
Oil Lubrication - B/C/O Seal
1000 rpm
Oil Lubrication - M/N Seal
1400 rpm
Oil Lubrication - T Seal
2400 rpm
Pre Install Clearance Max
0.0039 in 0.100 mm
Pre Install Clearance Min
0.0024 in 0.060 mm
Shaft Dia
90 mm
Shaft Size
90 mm
Shaft size type
Metric
Shaft Size Type
Metric
Shaft Tolerance
0.0030 in 0.076 mm
Y1 - Geometry Factor
2.90
Y2 - Geometry Factor
4.31
Full timken part number: QAPR18A090SB QAPR18A090SC QAPR18A090SEB QAPR18A090SEC QAPR18A090SEM QAPR18A090SEN QAPR18A090SEO QAPR18A090SET QAPR18A090SM QAPR18A090SN QAPR18A090SO QAPR18A090ST
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read moreHow do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more