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Timken QAAF20A315SM is a four-bolt square flange mounted spherical roller bearing unit. It features a 3-15/16 inch imperial shaft, double concentric locking style, and incorporates a 22220 series spherical roller bearing insert. This housed unit is designed for heavy-duty applications requiring high radial load capacity and self-alignment.
MODEL QAAF20A315SM
$1,269.86 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
0.075 mm Shaft Size
3 15/16 in Shaft Tolerance:0.0030 in
0.076 mm Shaft dia (in)
3 15/16 Shaft size type:Imperial Y1 - Geometry Factor:2.84 Y2 - Geometry Factor:4.23 e - Geometry Factor:0.24
0.120 mm Pre Install Clearance Min
0.0030 in
126 mm Dimension RAA
0.95 in
128 mm Dimension L Fix
4.96 in
150.4 mm Eng Internal Radial Clearance - Max
0.0047 Eng Internal Radial Clearance - Min:0.0030 Engineering group:Mounted Bearing Float:0.083 in
152.4 mm Dimension BC
10.96 in
24 mm Dimension L Exp
5.04 in
24.1 mm Dimension SAA
5.92 in
278.4 mm Dimension J (Bolt Size)
0.875 in
Bearing number
22220
Engineering group
Mounted Bearing
Housing construction
Four-Bolt Square Flange
Locking
Double Concentric
Locking style
Double Concentric
Shaft dia (in)
3-15/16
Shaft size type
Imperial
Full timken part number: QAAF20A315SB QAAF20A315SC QAAF20A315SEB QAAF20A315SEC QAAF20A315SEM QAAF20A315SEN QAAF20A315SEO QAAF20A315SET QAAF20A315SM QAAF20A315SN QAAF20A315SO QAAF20A315ST
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.
| Brand | Kipp |
| Model | K2126.25123A4X25 |
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more