Guide for Shaft, Propeller and Gearbox Repair or Replacement

23.02.2021.
Technical guide

Direct Drive

Metric Shaft – ISO 4566 – Taper 1:10

Shaft Ø	Length (cm)	Thread	Keyway (LxBxH mm)	Taper Length
25 mm	908 / 1500 / 2000 / 2500	M16	45x6x6	55 mm
30 mm	1500 / 2000 / 2500	M20	63x8x7	75 mm
35 mm	1500 / 2000 / 2500	M24	70x10x8	85 mm
40 mm	1500 / 2000 / 2500	M24	80x12x10	95 mm
45 mm	1500 / 2000	M30	90x14x12	105 mm

Shaft Material: SIS2324, tolerance h9

Stern Tube

Shaft	Length (mm)	Outer Diameter
25 mm	500 / 750 / 1000 / 1500	42 mm
30 mm	750 / 1000 / 1500	48 mm
35 mm	750 / 1000 / 1500	54 mm
40 mm	1000 / 1500	60 mm
45 mm	1000	66 mm

Rubber Stuffing Boxes / Shaft Seals

Metric / ISO	Inch / SAE
25 mm 42 102	1″ – 1-3/4″ – 102
30 mm 48 108	1-1/4″ – 2″ – 111
35 mm 54 118	1-1/2″ – 2-1/4″ – 118
40 mm 60 118	1-3/4″ – 2-1/2″ – 128
45 mm 64 131	2″ – 2-3/4″ – 128
50 mm 70 131	–

Rubber Shaft Bearings / Support Bearings / Skeg Bearings

Metric size – Inch size

ACCI

22 mm

31.75 mm

76.2 mm

ANCO

1″

1-1/2″

4″

ALAS

25 mm

38.10 mm

100 mm

AGRA

1″

1-1/4″

4″

AGLI

25 mm

31.75 mm

100 mm

AOST

1-1/8″

1-5/8″

4-1/2″

APRI

28 mm

41.27 mm

114.3 mm

ARGE

1-1/4″

1-3/4″

5″

ALBA

30 mm

44.45 mm

127 mm

BERG

1-3/8″

1-7/8″

5-1/2″

ADRI

32 mm

44.45 mm

127 mm

BRES

1-1/2″

2″

6″

BIEL

35 mm

47.62 mm

139.7 mm

BULL

1-5/8″

2-1/8″

6-1/2″

BRIN

38 mm

50.80 mm

152.4 mm

BLEV

1-3/4″

2-3/8″

7″

BOLZ

40 mm

53.97 mm

165.1 mm

BARI

1-7/8″

2-5/8″

7-1/2″

BARZ

45 mm

60.32 mm

177.8 mm

BOLO

2″

2-5/8″

8″

BAVE

50 mm

66.67 mm

203.2 mm

CHIA

2-1/4″

3″

9″

CALC

55 mm

76.20 mm

228.6 mm

CAMO

2-3/8″

3-1/4″

9-1/2″

CATA

60 mm

82.55 mm

241.3 mm

CALT

2-1/2″

3-1/4″

10″

Polyamide Metric Sizes

Type	A	B	D	Type	A	B	D
ARIE	25 mm	40 mm	100 mm	GALE	25 mm	1-1/2″	4″
AQUA	30 mm	45 mm	127 mm	GARB	30 mm	1-3/4″	5″
LEON	35 mm	50 mm	140 mm	GEAR	35 mm	1-7/8″	5-1/2″
TORO	40 mm	55 mm	166 mm	GILG	40 mm	2-1/8″	6-1/2″
SAGI	45 mm	65 mm	178 mm	GIVE	45 mm	2-3/8″	7″
SCOR	50 mm	70 mm	200 mm	GLIM	50 mm	2-5/8″	8″
VERG	55 mm	75 mm	229 mm	GENE	55 mm	3″	9″
PESC	60 mm	80 mm	242 mm	GATE	60 mm	3-1/4″	9-1/2″

Morse Rubber Bearings – for Inch Shafts (Nibral)

Type	Shaft (A)	(B)	(D)	Type	(A)	(B)	(D)	Type	(A)	(B)	(D)
Caribe	1″	1-1/4″	6″	Devilfish	1-3/8″	1-7/8″	5-1/2″	Hering	2″	2-5/8″	8″
Bloater	1″	1-3/8″	4″	Dogfish	1-3/8″	2″	5-1/2″	Kingfish	2″	3″	8″
Bonito	1″	1-1/2″	4″	Dolphin	1-3/8″	2-1/8″	5-1/2″	Mackerel	2-1/8″	2-15/16″	8-1/2″
Broadbill	1″	1-5/8″	4″	Eel	1-3/8″	2-3/8″	5-1/2″	Manta	2-1/8″	3-1/8″	8-1/2″
Bullhead	1″	2″	4″	Flamen	1-1/2″	2″	4-3/8″	Marlin	2-1/4″	2-15/16″	9″
Cama	1-1/8″	1-1/2″	4-1/2″	Flatfish	1-1/2″	2″	6″	Minnow	2-1/4″	3-1/8″	9″
Carp	1-1/8″	1-5/8″	4-1/2″	Flounder	1-1/2″	2-3/8″	6″	Mudfish	2-1/4″	3-3/8″	9″
Catfish	1-1/8″	1-3/4″	4-1/2″	Gar	1-5/8″	2-1/8″	6-1/2″	Mullet	2-3/8″	3-3/8″	9-1/2″
Chobie	1-1/8″	2″	4-1/2″	Grayback	1-5/8″	2-5/8″	6-1/2″	Musky	2-1/2″	3-1/8″	10″
Chogset	1-1/4″	1-1/2″	5″	Grouper	1-3/4″	2-3/8″	7″	Perch	2-1/2″	3-3/8″	10″
Chub	1-1/4″	1-3/4″	5″	Haddo	1-3/4″	2-5/8″	7″	Pickerel	2-5/8″	3-3/8″	10-1/2″
Cod	1-1/4″	2″	5″	Hake	1-7/8″	2-5/8″	7-1/2″	Picuda	2-3/4″	3-3/8″	11″
Croaker	1-1/4″	2-1/8″	5″	Halibut	1-7/8″	2-15/16″	7-1/2″	Pinfish	2-3/4″	3-3/4″	11″

Tags: gearbox, guide, marine service, propeller, reference, repair, shaft, technical table

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