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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 SP211FN1

Adapter Sleeve Number

N/A HA2311M1

Housing Material

N/A Ductile Iron

Housing Construction

N/A 1 Piece

Mounting Type

N/A Solid Base

Performance

N/A Heavy Duty

End Type

N/A Open

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 27500 lb

Allowable Loads - P90

N/A 16500 lb

Allowable Loads - P120

N/A 12000 lb

Allowable Loads - P150

N/A 11000 lb

Allowable Loads - P180

N/A 14000 lb

Dimensional Specifications


Sealed Spherical Pillow Blocks, SPAW/SPW Type - Dimensions

d

N/A 1.9375 in49.213 mm

h

N/A 2.7559 in70.0 mm

a

N/A 10.0394 in255.0 mm

b

N/A 2.4409 in62.0 mm

b1

N/A 2.7559 in70.0 mm

c

N/A 1.1024 in28.0 mm

m

N/A 8.2677 in210.0 mm

m1

N/A 1.5748 in40.0 mm

n

N/A 7.8740 in200.0 mm

w

N/A 5.3543 in136.0 mm

u

N/A 0.7087 in18.0 mm

v

N/A 0.9055 in23.0 mm

Notes

N/A 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