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Mercruiser Sterndrive Gear Case Bearings

Gear Case Bearings

Find drive shaft bearings (upper & lower), forward gear (inside roller bearings & outer bearings), reverse gear bearings & bearing carrier bearings for your Mercruiser stern drive using the application chart from the Mercury Quicksilver catalog.

Need other parts? If you need parts not listed in the application guide, please see:

Model Year Range Serial No. Range Drive Shaft Bearing: Upper Drive Shaft Bearing: Lower Forward Gear: Inside Roller Bearing Forward Gear: Outer Bearing Reverse Gear Bearing Bearing Carrier Bearing
60 1965 - 1966 1830753 - 2063740 31-38146A 1 31-62091T 31-20249 31-38356A 1 30-20839T 31-20249
80 / 90 1966 - 1972 2063741 - 3225967 31-32898T 31-30895T 31-30894A 1 30-31265 31-30956T
I 1963 1534570 - 1536617 30-63326T 31-32898T 31-30895T 31-30894A 1 30-31265 31-30956T
I 1963 1536618 - 1563353 31-33138A 1 31-32898T 31-30895T 31-30894A 1 30-31265 31-30956T
I 1963 1563354 - 1684187 31-32898T 31-30895T 31-30894A 1 30-31265 31-30956T
IA / IB / IC & EZ Shift 1964 - 1966 1684188 - 2065186 31-36387A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
120 / 140 1967 - 1969 2062141 - 2791956 31-36387A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
120 / 140 1970 - 1977 2791957 - 4893634 31-53079A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
120 / 140 1978 - 1982 4893635 - 6225576 31-53079A 1 31-92366A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
470 1976 - 1977 4208730 - 4893934 31-53079A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
470 / 485 1978 - 1982 4893835 - 6225575 31-53079A 1 31-92366A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
160 1967 - 1969 2065190 - 2763441 31-36387A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
165 1970 - 1977 2763442 - 4890459 31-53079A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
165 1978 - 1981 4890460 & up 31-53079A 1 31-92366A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
888 1971 - 1977 3106717 & up 31-53079A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
225 / 233 1974 - 1977 3856268 & up 31-53079A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
898 / 228 1977 4782330 - 4898729 31-53079A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
898 / 228 1978 - 1982 4898730 - 6225576 31-53079A 1 31-92366A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
250 1977 4791300 - 4898729 31-53079A 1 31-35934A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
260 1978 - 1982 4898730 - 6225576 31-53079A 1 31-92366A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
R 1983 6225577 & up 31-53079A 1 31-92366A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
MR / Alpha One 1984 - 1990 6225577 & up 31-36387A 1 31-42647A 1 31-42679 12 31-35928T 1 30-88957T 31-30956T
MR / Alpha One 1984 - 1990 6225577 & up 31-36387A 1 31-42647A 1 31-30895T 11 31-35928T 1 30-88957T 31-30956T
MR / Alpha One (CR) 1984 - 1990 6225577 & up 31-36387A 1 31-42647A 1 31-15841 10 31-814653T 31-815482 3 31-30956T
MR / Alpha One (CR) 1984 - 1990 6225577 & up 31-36387A 1 31-42647A 1 31-15841 10 31-814653T 31-815480 10 31-30956T
MR / Alpha One (CR) 1984 - 1990 6225577 & up 31-36387A 1 31-42647A 1 31-15841 10 31-814653T 31-814653T 4 31-30956T
Alpha One SS 1986 - 1989 0A545004 & up 31-36387A 1 31-42647A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
Alpha One Gen II 1991 - 1995 0D469859 - 0F679999 31-36387A 1 31-42647A 1 31-30895T 31-35928T 1 30-88957T 31-30956T
Alpha One Gen II (CR) 1991 - 1995 0D469859 - 0F679999 31-36387A 1 31-42647A 1 31-15841 10 31-814653T 31-815482 3 31-30956T
Alpha One Gen II (CR) 1991 - 1995 0D469859 - 0F679999 31-36387A 1 31-42647A 1 31-15841 10 31-814653T 31-815480 10 31-30956T
Alpha One Gen II (CR) 1991 - 1995 0D469859 - 0F679999 31-36387A 1 31-42647A 1 31-15841 10 31-814653T 31-814653T 4 31-30956T
Alpha One Gen II 1996 - 1997 0F680000 - 0K999999 31-36387A 1 31-42647A 1 31-30895T 31-30894A 1 2 30-88957T 31-30956T
Alpha One Gen II 1996 - 1997 0F680000 - 0K999999 31-36387A 1 31-42647A 1 31-30895T 31-828439A 2 1 30-88957T 31-30956T
Alpha One Gen II (CR) 1996 - 1997 0F680000 - 0K999999 31-36387A 1 31-42647A 1 31-815480 10 31-814653T 31-15844 3 31-30956T
Alpha One Gen II (CR) 1996 - 1997 0F680000 - 0K999999 31-36387A 1 31-42647A 1 31-815480 10 31-814653T 31-815480 10 31-30956T
Alpha One Gen II (CR) 1996 - 1997 0F680000 - 0K999999 31-36387A 1 31-42647A 1 31-815480 10 31-814653T 31-814653T 4 31-30956T
Alpha One Gen II 1998 - 2008 0L100040 & up 31-33138A 1 31-42647A 1 31-30895T 31-30894A 1 30-88957T 31-30956T
Alpha One Gen II (CR) 1998 - 2008 0L100040 & up 31-33138A 1 31-42647A 1 31-815480 10 31-814653T 31-15844 3 31-30956T
Alpha One Gen II (CR) 1998 - 2008 0L100040 & up 31-33138A 1 31-42647A 1 31-815480 10 31-814653T 31-815480 10 31-30956T
Alpha One Gen II (CR) 1998 - 2008 0L100040 & up 31-33138A 1 31-42647A 1 31-815480 10 31-814653T 31-814653T 4 31-30956T
Vazer 2007 - 2008 0W995000 & up 31-33138A 1 31-35934A 1 31-30895T 31-30894A 1 30-860081 31-30956T
Bravo I & I X 1988 - 2008 0B664190 & up 31-86748A 1 9 31-86754T 31-86752A 1 31-99328A 1
Bravo I & I X 1988 - 2008 0B664190 & up 31-99328A 1 8 31-86754T 31-86752A 1 31-99328A 1
Bravo I XR / XZ 2000 - 2008 0M100001 & up 31-86748A 1 9 31-86754T 31-86752A 1 31-812767A 1
Bravo I XR / XZ 2000 - 2008 0M100001 & up 31-99328A 1 8 31-86754T 31-86752A 1 31-812767A 1
Bravo II & II X 1988 - 2008 0B664190 & up 31-86748A 1 9 31-35246 13 31-54038A 1 31-54042T
Bravo II & II X 1988 - 2008 0B664190 & up 31-99328A 1 8 31-86754T 14 31-54038A 1 31-54042T
Bravo III & III X 1988 - 2008 0B664190 & up 31-86748A 1 9 31-86754T 31-86752A 1 31-805182A 1 31-805079T
Bravo III & III X 1988 - 2008 0B664190 & up 31-99328A 1 8 31-86754T 31-86752A 1 31-805182A 1 31-805079T
Blackhawk 1994 - 1995 0F186717 & up 31-36387A 1 9 31-86754T 31-86752A 1 31-805182A 1 31-805079T
Blackhawk 1994 - 1995 0F186717 & up 31-815901 5 31-86754T 31-86752A 1 31-805182A 1 31-805079T
II 1962 - 1969 1474909 - 2671321 31-30894A 1
III 1968 - 1972 2373127 - 3002613 31-35246
215E / H 1970 - 1972 2782203 - 2915034 31-68290A 1 31-54038A 1 31-54036A 1 31-54042T
TR 1973 - 1993 3377316 & up 31-35990A 1 9 31-35246 31-54038A 1 6 31-54036A 1 6 31-54042T
TR 1973 - 1993 3377316 & up 8 31-35246 31-62801A 1 7 31-62799A 1 7 31-54042T
TRS 1973 - 1993 3377316 & up 31-68266A 1 9 31-68290A 1 31-35928T 1 6 31-99328A 1 6 31-30956T
TRS 1973 - 1993 3377316 & up 31-66670A 1 8 31-68290A 1 31-68266A 1 7 31-35928T 1 7 31-30956T
1 2.40R only
2 All except 2.40 ratio
3 Inside roller
4 Outside roller
5 Intermediate
6 LH
7 RH
8 Lower
9 Upper
10 Thrust
11 Torrington #B-1616
12 Torrington #GB-1616
13 Use with casting #8293C
14 Use with casting #8293C1 / C2 / C2S