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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Sealed Spherical Pillow Blocks, SPAW/SPW Type
Sealed Spherical Pillow Blocks, SPAW/SPW Type - Dimensions
Unit of Measure
1 2 3 4 

Item #

d

h

a

b

b1

Outside Diameter 

Outside Diameter

Bore Type

Outside Ring Width

Inside Ring Width

Clearance

Cage Material

Precision Rating

Radial Dynamic Load Rating

Radial Static Load Rating

Rotational Speed [Max]-Grease

SPW2226-407N1 N/A 4.4375 in112.713 mm N/A 5.9055 in150.0 mm N/A 17.5197 in445.0 mm N/A 4.5276 in115.0 mm N/A 5.1181 in130.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2226-408N1 N/A 4.5000 in114.300 mm N/A 5.9055 in150.0 mm N/A 17.5197 in445.0 mm N/A 4.5276 in115.0 mm N/A 5.1181 in130.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2226N1 N/A 4.5276 in115.000 mm N/A 5.9055 in150.0 mm N/A 17.5197 in445.0 mm N/A 4.5276 in115.0 mm N/A 5.1181 in130.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2228-415FN1 N/A 4.9375 in125.413 mm N/A 5.9055 in150.0 mm N/A 19.6850 in500.0 mm N/A 4.7244 in120.0 mm N/A 5.9055 in150.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2228-415N1 N/A 4.9375 in125.413 mm N/A 5.9055 in150.0 mm N/A 19.6850 in500.0 mm N/A 4.7244 in120.0 mm N/A 5.9055 in150.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2228-500FN1 N/A 5.0000 in127.000 mm N/A 5.9055 in150.0 mm N/A 19.6850 in500.0 mm N/A 4.7244 in120.0 mm N/A 5.9055 in150.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2228-500N1 N/A 5.0000 in127.000 mm N/A 5.9055 in150.0 mm N/A 19.6850 in500.0 mm N/A 4.7244 in120.0 mm N/A 5.9055 in150.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2228N1 N/A 4.9213 in125.000 mm N/A 5.9055 in150.0 mm N/A 19.6850 in500.0 mm N/A 4.7244 in120.0 mm N/A 5.9055 in150.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2232-507FN1 N/A 5.4375 in138.113 mm N/A 6.6929 in170.0 mm N/A 21.6535 in550.0 mm N/A 5.3150 in135.0 mm N/A 6.2992 in160.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2232-507N1 N/A 5.4375 in138.113 mm N/A 6.6929 in170.0 mm N/A 21.6535 in550.0 mm N/A 5.3150 in135.0 mm N/A 6.2992 in160.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2232-508N1 N/A 5.5000 in139.700 mm N/A 6.6929 in170.0 mm N/A 21.6535 in550.0 mm N/A 5.3150 in135.0 mm N/A 6.2992 in160.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SPW2232N1 N/A 5.5118 in140.000 mm N/A 6.6929 in170.0 mm N/A 21.6535 in550.0 mm N/A 5.3150 in135.0 mm N/A 6.2992 in160.0 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Unit of Measure
1 2 3 4