3D CAD and 2D Drawings

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Unit of Measure

Specifications

Engineering Group

N/A Mounted Bearing

Bearing Number

N/A 22218

Shaft Size  

N/A 3-1/2 in

Shaft Size Type

N/A Imperial

Full Timken Part Number

N/A QAP18A308SBSS QAP18A308SCSS QAP18A308SEBSS QAP18A308SECSS QAP18A308SEMSS QAP18A308SENSS QAP18A308SEOSS QAP18A308SETSS QAP18A308SMSS QAP18A308SNSS QAP18A308SOSS QAP18A308STSS

Locking Style

N/A Single Concentric

Weight

N/A 45 lb20.40 Kg

Housing Construction

N/A Two-Bolt Pillow Block

UPC Code

N/A 0883450705929 0883450705936 0883450705943 0883450705950 0883450705967 0883450705974 0883450705981 0883450705998 0883450706001 0883450706018 0883450706025 0883450706032

Dimensions

Dimension A

N/A 3.75 in95.3 mm

Dimension B

N/A 7.69 in195.3 mm

Dimension C

N/A 5.13 in130.3 mm

Dimension D Max

N/A 11.25 in285.8 mm

Dimension D Min

N/A 9.38 in238.3 mm

Dimension F

N/A 13.50 in342.9 mm

Dimension G

N/A 3.410 in86.60 mm

Dimension H

N/A 1.88 in47.8 mm

Dimension J (Bolt Size)

N/A 0.875 in24 mm

Dimension KA

N/A 1.44 in36.6 mm

Dimension L

N/A 4.3 in109.2 mm

Dimension M

N/A 2.59 in65.8 mm

Dimension RA

N/A 0.27 in6.9 mm

Dimension SA

N/A 4.03 in102.4 mm

Radial and Thrust Factors

C0 - Static Load

N/A 87200 lb388 kN

C - Dynamic Load (Basic)

N/A 79700 lb355 kN

e - Geometry Factor

N/A 0.23

Y1 - Geometry Factor

N/A 2.90

Y2 - Geometry Factor

N/A 4.31

Engineering Seal Speed

Oil Lubrication - M/N Seal

N/A 1400 rpm

Oil Lubrication - T Seal

N/A 2400 rpm

Oil Lubrication - B/C/O Seal

N/A 1000 rpm

Grease Lubrication - M/N Seal

N/A 1400 rpm

Grease Lubrication - T Seal

N/A 2000 rpm

Grease Lubrication - B/C/O Seal

N/A 1000 rpm

Engineering Bearing Attributes

Float

N/A 0.083 in2.108 mm

Shaft Tolerance

N/A 0.0030 in0.076 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

N/A 0.0024

Eng Internal Radial Clearance - Max

N/A 0.0039

Pre Install Clearance Min

N/A 0.0024 in0.060 mm

Pre Install Clearance Max

N/A 0.0039 in0.100 mm
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