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ROUND BEARINGS — 18N SERIES
Center to End
Spline Length
Hub Diameter
Joint Angle
Deflector
Part Number
2.34” - 16 SPLINE
5.63"
2.75"
2.81"
18N-4-1981
2.36” - 18 SPLINE
6.12"
3.38"
3.50"
30°
18N-4-2581
2.38” - 36 SPLINE
5.44"
2.69"
3.00"
30°
18N-4-3161
5.44"
2.69"
3.00"
30°
DEFR54-1
18NYS38-6A
2.38” - 46 SPLINE
5.16"
2.32"
3.25"
30°
DEFR56-7
18N-4-3731X
5.16"
2.32"
3.25"
30°
18NYS38-27
5.16"
2.32"
3.25"
30°
DEFR56-10
18NYS38-27A1
5.16"
2.32"
3.25"
30°
DEFR56-12
18NYS38-27A2
5.16”
2.32”
3.25”
30°
DEFR56-15
18NYS38-27A5
5.22"
2.41"
2.95"
30°
18NYS38-15
5.41"
2.41"
3.50"
30°
18N-4-3251
5.44"
2.62"
3.25"
30°
18N-4-2701
5.44"
2.62"
3.25"
30°
DEFR54-1
18N-4-2711X
5.50"
2.75"
3.31"
18N-4-3591
5.69"
2.88"
3.25"
DEFR54-5
18N-4-3581X
5.69"
2.88"
3.25"
30°
18N-4-3201
5.69"
2.88"
3.25"
30°
DEFR54-1
18N-4-3221X
6.00"
3.20"
3.38"
30°
DEFR55-2
18N-4-3921X
6.00"
3.19"
3.38"
30°
18NYS38-21
6.01”
3.20”
3.38”
DEFR55-3
18N-4-4611X
2.42” - 18 SPLINE
5.81"
3.00"
3.38"
30°
18N-4-1991
5.81"
3.00"
3.38"
30°
DEFR55-2
18N-4-2361X
2.50” - 10 SPLINE
5.41"
2.41"
3.50"
30°
18NYS40-5
5.88"
3.00"
2.94"
30°
18N-4-1961
5.88"
3.00"
2.94"
30°
18N-4-3451
5.88"
3.00"
3.75"
30°
DEFR62-1
18N-4-3551X
2.63” - 20 SPLINE
5.50"
2.75"
3.00"
30°
18N-4-2011
5.56"
2.75"
3.00"
30°
18N-4-3021
4 Keyway for speedometer gear on hub.