All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Two-Bolt Pillow Block > Part Number QAASN11A055S  

Part Number QAASN11A055S, Double Concentric 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
22211

Shaft Size
55 mm

Shaft Size Type
Metric

Full Timken Part Number
QAASN11A055SB
QAASN11A055SC
QAASN11A055SEB
QAASN11A055SEC
QAASN11A055SEM
QAASN11A055SEN
QAASN11A055SEO
QAASN11A055SET
QAASN11A055SM
QAASN11A055SN
QAASN11A055SO
QAASN11A055ST

Locking Style
Double Concentric

Housing Construction
Two-Bolt Pillow Block

UPC Code
0883450348751
0883450348768
0883450348775
0883450348782
0883450348799
0883450348805
0883450348812
0883450348829
0883450348836
0883450348843
0883450348850
0883450348867


Dimensions

Dimension A
2.76 in
70 mm

Dimension B
5.55 in
141 mm

Dimension C
3.27 in
83 mm

Dimension D Min
7.2 in
183 mm

Dimension D Max
8.5 in
216 mm

Dimension F
10 in
254 mm

Dimension G
2.68 in
68 mm

Dimension H
0.98 in
25 mm

Dimension J (Bolt Size)
0.625 in
16 mm

Dimension L
3.35 in
85 mm

Dimension M
2 in
50.8 mm

Dimension RAA
0.67 in
17 mm

Dimension SAA
4.02 in
102 mm


Radial and Thrust Factors

C0 - Static Load
31900 lbf
142000 N

C - Dynamic Load (Basic)
31400 lbf
140000 N

e - Geometry Factor
0.23

Y1 - Geometry Factor
2.95

Y2 - Geometry Factor
4.40


Engineering Seal Speed

Oil Lubrication - M/N Seal
2200 rpm

Oil Lubrication - T Seal
3800 rpm

Oil Lubrication - B/C/O Seal
1600 rpm

Grease Lubrication - M/N Seal
2200 rpm

Grease Lubrication - T Seal
3200 rpm

Grease Lubrication - B/C/O Seal
1600 rpm


Engineering Bearing Attributes

Float
0.050 in
1.270 mm

Shaft Tolerance
0.0015 in
0.038 mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min
0.0016

Eng Internal Radial Clearance - Max
0.0026

Pre Install Clearance Min
0.0016 in
0.040 mm

Pre Install Clearance Max
0.0026 in
0.065 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS