Page 57 - MerCruiser_Catalog_Flipbook

MerCruiser

GEARCASE BEARINGS

No. 21621 No. 21840 No. 21620 No. 21590
BALL BEARING BALL BEARING BALL BEARING TAPERED ROLLER
OEM: 30-31265 OEM: 30-63326T OEM: 30-88957T BEARING
OEM: 31-35928T1
1.875” I.D.
3.500” O.D.

For Forward Gear
For Reverse Gear Large Bearing
No. 21591 No. 21593 No. 21820 No. 21630
TAPERED ROLLER TAPERED ROLLER TAPERED ROLLER BEARING TAPERED ROLLER
BEARING BEARING OEM: 30-30894A1 BEARING
OEM: 31-828437A2 OEM: 31-828439A2 OEM: 31-38356A1
1.750” I.D. 1.875” I.D. 1.750” I.D.
3.500” O.D. 3.265” O.D. 3.500” O.D.

For Forward Gear For Forward Gear For Forward Gear
Large Bearing Small Bearing Large Bearing
No. 11420 No. 11410 No. 22770 No. 21610
NEEDLE ROLLER NEEDLE ROLLER NEEDLE ROLLER ROLLER BEARING
BEARING BEARING BEARING OEM: 31-42647A1
OEM: 31-30895T OEM: 31-30956T OEM: 31-15844

For Pinion Gear
For Propshaft Alpha Counter Rotating MR/Alpha One/
For Forward Gear
BearingCarrier For Reverse Gear Alpha One Gen II
No. 21580 No. 21570 No. 21581 No. 21512 No. 21592
TAPERED ROLLER TAPERED ROLLER TAPERED ROLLER TAPERED ROLLER TAPERED ROLLER
BEARING BEARING BEARING BEARING BEARING
OEM: 31-36387A1 OEM: 31-53079A1 OEM: 31-66668A1 OEM: 31-86748A1 OEM: 31-86752A1
No. 21584
OEM: 31-33138A1

For Drive Shaft
MR/Alpha One/ For Drive Shaft For Prop Shaft / Drive Shaft For Drive Shaft For Forward Gear
Alpha One Gen II MC-1/R Bravo Bravo Bravo

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