NTN BEARING CORPORATION OF AMERICA
NTN BEARING CORPORATION OF AMERICA
Head Office
1600 E. Bishop Court, P.O. Box 7604
Mount Prospect, IL 60056-7604, U.S.A.
Phone: 847-298-7500
Fax: 847-699-9744
Toll Free: 800-323-2358
Email: mkt@ntnamerica.com
Website: www.ntnamericas.com
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Unit of Measure

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Ordering Options

 N/A Contact NTN Customer Relations

Technical Specifications

Type

 N/A Pillow Block Unit

Bearing Type

 N/A Spherical Roller Bearing

Seal Material

 N/A Nitrile Rubber

Locking Device

 N/A Adapter

Bearing Number

 N/A MX-W22211EALLKW33C3

Housing Number

 N/A SPA211N1

Adapter Sleeve Number

 N/A HE2311XYM1

Housing Material

 N/A Ductile Iron

Housing Construction

 N/A 1 Piece

Mounting Type

 N/A 2-Bolt

Performance

 N/A Heavy Duty

End Type

 N/A (1) Open & (1) Closed

Dynamic Load Rating

 N/A 35000 lbf155000 N155.00 kN

Static Load Rating

 N/A 33500 lbf148000 N148.00 kN

Rotational Speed [Max]

 N/A 2700 RPM

Operating Temperature Range

 N/A -40 to 400 ºF-40 to 200 ºC

Lubrication

 N/A Relubricatable

Guidelines for Mounting

Axial Displacement - Min.

 N/A 0.018 in

Axial Displacement - Max.

 N/A 0.024 in

Recommended Locknut Rotation

 N/A 90 º

Hydraulic Pressure - Min.

 N/A 1700 lb/in²

Hydraulic Pressure - Max.

 N/A 2250 lb/in²

Shaft Tolerance

Shaft Tolerance

 N/A nominal to -.0029 innominal to -74 µm

Allowable Loads


Housing Allowable Loads

Allowable Loads - P60

 N/A 12500 lb

Allowable Loads - P90

 N/A 7500 lb

Allowable Loads - P120

 N/A 5500 lb

Allowable Loads - P150

 N/A 5000 lb

Allowable Loads - P180

 N/A 6000 lb

Dimensional Specifications


Sealed Spherical Pillow Blocks, Cast Dust Cover, Closed End, SPAW/SPW Type - Dimensions

d

 N/A 2.0000 in50.800 mm

h

 N/A 2.75 in69.9 mm

a

 N/A 9.6060 in244.0 mm

b

 N/A 2.4410 in62.0 mm

b1

 N/A 2.756 in70.0 mm

c

 N/A 1.1020 in28.0 mm

l

 N/A 4.4880 in113.995 mm

m

 N/A 7.6250 in193.7 mm

w

 N/A 5.3540 in136.0 mm

u

 N/A 0.7090 in18.0 mm

v

 N/A 0.875 in22.2 mm