All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Single V-Lock Solid-Block Mounted Bearings > Single V-Lock Two-Bolt Pillow Block > Part Number QVPN20V308S  

Part Number QVPN20V308S, Single V-Lock Two-Bolt Pillow Block

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Specifications  · Dimensions  · Radial and Thrust Factors  · Engineering Seal Speed  · Engineering Bearing Attributes  · Engineering Internal Radial Clearance

Specifications

Engineering Group
Mounted Bearing

Bearing Number
22220

Shaft Size
3 1/2 in

Shaft Size Type
Imperial

Full Timken Part Number
QVPN20V308SB
QVPN20V308SC
QVPN20V308SEB
QVPN20V308SEC
QVPN20V308SEM
QVPN20V308SEN
QVPN20V308SEO
QVPN20V308SET
QVPN20V308SM
QVPN20V308SN
QVPN20V308SO
QVPN20V308ST

Locking Style
Single V-Lock

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450058414
0883450058445
0883450205818
0883450205955
0883450218238
0883450218382
0883450230650
0883450230803
0883450239394
0883450239547
0883450244350
0883450244503


Dimensions

Dimension A
4.41 in
112 mm

Dimension B
8.54 in
216.9 mm

Dimension C
4.89 in
124.2 mm

Dimension D Min
10.88 in
276.4 mm

Dimension D Max
12.88 in
327.2 mm

Dimension F
14.5 in
368.3 mm

Dimension G
3.42 in
86.9 mm

Dimension H
1.53 in
38.9 mm

Dimension J (Bolt Size)
0.875 in
24 mm

Dimension L
3.94 in
100.1 mm

Dimension RV
0.19 in
4.8 mm

Dimension SV
3.75 in
95.3 mm


Radial and Thrust Factors

C0 - Static Load
113000 lbf
502000 N

C - Dynamic Load (Basic)
97700 lbf
435000 N

e - Geometry Factor
0.24

Y1 - Geometry Factor
2.85

Y2 - Geometry Factor
4.24


Engineering Seal Speed

Oil Lubrication - M/N Seal
1200 rpm

Oil Lubrication - T Seal
2000 rpm

Oil Lubrication - B/C/O Seal
900 rpm

Grease Lubrication - M/N Seal
1200 rpm

Grease Lubrication - T Seal
1600 rpm

Grease Lubrication - B/C/O Seal
900 rpm


Engineering Bearing Attributes

Float
0.083 in
2.108 mm

Shaft Tolerance
0.0030 in
0.076 mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min
0.0043

Eng Internal Radial Clearance - Max
0.0055

Pre Install Clearance Min
0.0043 in
0.110 mm

Pre Install Clearance Max
0.0055 in
0.140 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS