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Unit of Measure

Technical Specifications

Type

Pillow Block Unit

Bearing Type

Spherical Roller Bearing

Seal Material

Nitrile Rubber

Locking Device

Adapter

Bearing Number

MX-W22211EALLKW33C3

Housing Number

SPA211N1

Adapter Sleeve Number

H2311XM1

Housing Material

Ductile Iron

Housing Construction

1 Piece

Mounting Type

2-Bolt

Performance

Heavy Duty

End Type

Open

Dynamic Load Rating

35000 lbf155000 N155.00 kN

Static Load Rating

33500 lbf148000 N148.00 kN

Rotational Speed [Max]

2700 rpm

Weight

13.000 lb5.897 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Lubrication

Relubricatable

Guidelines for Mounting

Axial Displacement - Min.

0.018 in

Axial Displacement - Max.

0.024 in

Recommended Locknut Rotation

90 º

Hydraulic Pressure - Min.

1700 lb/in²

Hydraulic Pressure - Max.

2250 lb/in²

Shaft Tolerance

Shaft Tolerance

nominal to -.0029 innominal to -74 µm

Allowable Loads


Housing Allowable Loads

Allowable Loads - P60

12500 lb

Allowable Loads - P90

7500 lb

Allowable Loads - P120

5500 lb

Allowable Loads - P150

5000 lb

Allowable Loads - P180

6000 lb

Dimensional Specifications


Sealed Spherical Pillow Blocks, SPAW/SPW Type - Dimensions

d

1.9685 in50.000 mm

h

2.75 in69.9 mm

a

9.6060 in244.0 mm

b

2.4410 in62.0 mm

b1

2.756 in70.0 mm

c

1.1020 in28.0 mm

m

7.6250 in193.7 mm

w

5.3540 in136.0 mm

u

0.7090 in18.0 mm

v

0.875 in22.2 mm

Notes

Sales drawing reflects "Bore Size w/o Adapter". They do not show the "d"dimension, which is the bore size with adapter Total Width may vary. Bearing has different mounting positions in the housing, and the adapter in the bearing can vary position