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Timken QAPF20A400SM is a four-bolt pillow block mounted spherical roller bearing unit. It features a 4-inch imperial bore with single concentric locking and houses a 22220 series spherical roller bearing insert. This heavy-duty housed unit is designed for industrial applications requiring high load capacity and shock resistance.
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MODEL QAPF20A400SM
$1,264.72 Each
Prices are subject to change
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Returnable:No
0.075 mm Shaft Size
4 in Shaft Tolerance:0.0030 in
0.076 mm Shaft dia (in)
4 Shaft size type:Imperial Y1 - Geometry Factor:2.85 Y2 - Geometry Factor:4.24 e - Geometry Factor:0.24
0.120 mm Pre Install Clearance Min
0.0030 in
108 mm Dimension D Max
13.38 in
116.6 mm Eng Internal Radial Clearance - Max
0.0047 Eng Internal Radial Clearance - Min:0.0030 Engineering group:Mounted Bearing Float:0.083 in
20 mm Dimension KA
1.63 in
276.4 mm Dimension J (Bolt Size)
0.75 in
339.9 mm Dimension D Min
10.88 in
41.4 mm Dimension RA
0.35 in
8.9 mm Dimension SA
4.59 in
Bearing number
22220
Bearing Number
22220
C - Dynamic Load (Basic)
97700 lbf 435000 N
C0 - Static Load
113000 lbf 502000 N
Dimension A
4.25 in 108 mm
Dimension B
8.78 in 223 mm
Dimension C
6 in 152.4 mm
Dimension D Max
13.38 in 339.9 mm
Dimension D Min
10.88 in 276.4 mm
Dimension E
2.25 in 57.2 mm
Dimension F
14.88 in 378 mm
Dimension G
4.31 in 109.5 mm
Dimension H
1.4 in 35.6 mm
Dimension J (Bolt Size)
0.75 in 20 mm
Dimension KA
1.63 in 41.4 mm
Dimension L
5.13 in 130.3 mm
Dimension M
2.97 in 75.4 mm
Dimension RA
0.35 in 8.9 mm
Dimension SA
4.59 in 116.6 mm
e - Geometry Factor
0.24
Eng Internal Radial Clearance - Max
0.0047
Eng Internal Radial Clearance - Min
0.0030
Engineering group
Mounted Bearing
Engineering Group
Mounted Bearing
Float
0.083 in 2.108 mm
Full Timken Part Number
QAPF20A400SB QAPF20A400SC QAPF20A400SEB QAPF20A400SEC QAPF20A400SEM QAPF20A400SEN QAPF20A400SEO QAPF20A400SET QAPF20A400SM QAPF20A400SN QAPF20A400SO QAPF20A400ST QAPF20A400STHT
Grease Lubrication - B/C/O Seal
900 rpm
Grease Lubrication - M/N Seal
1200 rpm
Grease Lubrication - T Seal
1600 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
900 rpm
Oil Lubrication - M/N Seal
1200 rpm
Oil Lubrication - T Seal
2000 rpm
Pre Install Clearance Max
0.0047 in 0.120 mm
Pre Install Clearance Min
0.0030 in 0.075 mm
Shaft dia (in)
4
Shaft Size
4 in
Shaft size type
Imperial
Shaft Size Type
Imperial
Shaft Tolerance
0.0030 in 0.076 mm
Y1 - Geometry Factor
2.85
Y2 - Geometry Factor
4.24
Full timken part number: QAPF20A400SB QAPF20A400SC QAPF20A400SEB QAPF20A400SEC QAPF20A400SEM QAPF20A400SEN QAPF20A400SEO QAPF20A400SET QAPF20A400SM QAPF20A400SN QAPF20A400SO QAPF20A400ST QAPF20A400STHT
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