NTN - Ball and Roller Bearings

Metric Series
SPHERICAL
ROLLER
BEARING
PILLOW
BLOCK
NUMBERING
Inch Series
1. PREFIX
C: Taconite service seals
CM: Taconite service seal + end cover
2. HOUSING SERIES
SPW: Sealed spherical pillow block, metric with inch
shaft dimension
SPAW: Sealed spherical pillow block, inch*
SFCW: Sealed spherical flanged block, metric
SAF: Split pillow block, cast iron housing
SAFS: Split pillow block, cast steel housing
PSAF: Split pillow block, cast iron, 4 bolt option
FSPAW: Sealed pillow block, inch, 4 bolt option
4. Bore Diameter (-Xnn)
X: Number of inches
nn: Number of 1/16 inches
e.g.:-115 indicates a 1-15/16” bore
5. SUFFIX
N1: Ductile cast iron housing
F: Solid base
G: One stabilizing ring included
3. BEARING
W22xx:
MX-W222xx Series sealed spherical roller bearing
* SPAW dimensionally the same as SAF housing
225