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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 H2311XM1

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 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

Weight

N/A 13.000 lb5.897 kg

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, SPAW/SPW Type - Dimensions

d

N/A 1.9685 in50.000 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

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

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