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1
CENTER BEARINGS — TYPE 1 — ROUND WITH NO MOUNTING
BRACKET
Bearing I.D. Max./Min.
Bearing Width
Height
Part Number
1280 and 131N and 133N SERIES
1.3750"/1.3745"
.75"
3.50"
CB310008-1X
1.3780"/1.3775"
.98"
3.50"
CB310011-1X
CENTER BEARINGS — TYPE 2 — SOLID CUSHION
Bearing Inside Diameter
Maximum/Minimum
Height
Bearing Width
Mounting Holes
(Center to Center) Front Deflector Rear Deflector
Part Number
17N and 58WB and 72N and 82N and 85WB SERIES
1.9685"/1.9680"
2.81"
1.19"
7.63"
CB310012-1XSA
176N and 17N (HEAVY DUTY) and 18N and 85WB and 92N SERIES
2.3622"/2.3616"
3.38"
1.41"
8.63"
CB210875-1XSA
1
176N and 17N (HEAVY DUTY) and 18N SERIES
2.3622"/2.3616"
3.38"
1.41"
8.63"
CB310013-1X
2.3622"/2.3616"
3.38"
1.41"
8.63"
DEFR55-1
GCB210875-1X
1 Self aligning center bearing. Deflectors not needed.