Montage of Timken Bearing Products 
Search Catalog
        
 All Product Types    Eccentric Two-Bolt Pillow Block
View Cart View RFQs Express Ordering  | Shipping 
 | Tax 
 | Terms
 Shopping Cart 0 Items
 Request for Quote 0 Items
All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Two-Bolt Pillow Block > Part Number QMSN18J303S  
Download PDF Download PDF     Printable Page     Email Email This Page     Save To Favorites Save To Favorites
Add To Cart Request Quote

Part Number QMSN18J303S, Eccentric Two-Bolt Pillow Block


 



Unit of Measure: Imperial Metric Both

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

Specifications

Engineering Group
Mounted Bearing

Bearing Number
22218

Shaft Size
3 3/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QMSN18J303SB
QMSN18J303SC
QMSN18J303SEB
QMSN18J303SEC
QMSN18J303SEM
QMSN18J303SEN
QMSN18J303SEO
QMSN18J303SET
QMSN18J303SM
QMSN18J303SN
QMSN18J303SO
QMSN18J303ST

Locking Style
Eccentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450098328
0883450098335
0883450098359
0883450098366
0883450098373
0883450098380
0883450098397
0883450098403
0883450160995
0883450161350
0883450253659
0883450254045


Dimensions

Dimension A
3.94 in
100 mm

Dimension B
7.87 in
200 mm

Dimension C
4.76 in
121 mm

Dimension D Min
10.98 in
279 mm

Dimension D Max
11.5 in
292 mm

Dimension F
13.58 in
345 mm

Dimension G
3.39 in
86 mm

Dimension H
1.54 in
39 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension K
1.46 in
37 mm

Dimension L
4.29 in
109 mm

Dimension M
2.6 in
66 mm

Dimension R
0.28 in
7 mm

Dimension S
4.06 in
103 mm


Radial and Thrust Factors

C0 - Static Load
87200 lbf
388000 N

C - Dynamic Load (Basic)
79700 lbf
355000 N

e - Geometry Factor
0.23

Y1 - Geometry Factor
2.90

Y2 - Geometry Factor
4.31


Engineering Seal Speed

Oil Lubrication - M/N Seal
1400 rpm

Oil Lubrication - T Seal
2400 rpm

Oil Lubrication - B/C/O Seal
1000 rpm

Grease Lubrication - M/N Seal
1400 rpm

Grease Lubrication - T Seal
2000 rpm

Grease Lubrication - B/C/O Seal
1000 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
0.0024

Eng Internal Radial Clearance - Max
0.0039

Pre Install Clearance Min
0.0024 in
0.060 mm

Pre Install Clearance Max
0.0039 in
0.100 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Eng Seal Temperatures

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS


Add To Cart Request Quote
<