SKU:
FNI 2728325
ID
1415009
$ 62.06
1-2 weeks delivery time
Shaft Diameter:
- 25
- 30
- 35
- 40
- 45
- 50
STUFFY BOX Rubber Propeller Shaft Seal Normal Version is a compact marine shaft sealing solution designed to replace traditional gland packing in metric propeller shaft installations. The rubber seal features a grease hole for periodic lubrication and requires no hose connection. The range includes six configurations for shaft diameters from 25 to 50 mm, with external diameters from 43 to 70 mm and overall lengths from 105 to 120 mm. Each kit includes a rubber seal, a tube of special silicone grease with nozzle, a stainless steel clamp, a plastic protection ring and assembly instructions. Grease application is recommended every 200 operating hours, with seal replacement recommended after four years or 500 operating hours.
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STUFFY BOX Rubber Propeller Shaft Seal Normal Version Ø25–50 mm
The STUFFY BOX Rubber Propeller Shaft Seal Normal Version is designed for sealing metric propeller shafts in marine propulsion installations. It provides an alternative to traditional braided gland packing, combining a compact rubber sealing body with a grease lubrication arrangement.
The Normal Version is available in six configurations for shaft diameters from 25 to 50 mm. It features a grease hole and does not require a hose connection.
Alternative to Traditional Gland Packing
The STUFFY BOX rubber seal replaces conventional gland packing in the propeller shaft sealing assembly. Its compact construction is intended to simplify installation and maintenance.
Normal Version – Grease Lubrication
The Normal Version is equipped with a grease hole for periodic lubrication and is designed without a hose connection.
The manufacturer recommends applying grease every 200 operating hours.
Compact Construction
The compact rubber body is designed for marine shaft installations where available mounting space is limited.
The supplied product information specifies a minimum support length of 38 mm for installation.
Maintenance Recommendations
- Greasing interval: Every 200 operating hours.
- Seal replacement: After 4 years or 500 operating hours.
Kit Contents
Each STUFFY BOX Normal Version kit includes:
- Rubber shaft seal.
- Tube of special silicone grease with nozzle.
- Stainless steel clamp.
- Plastic protection ring.
- Assembly instructions.
Available Models and Dimensions
The following table lists all six configurations according to the manufacturer's technical catalogue. All dimensions are in millimetres.
FNI Article Shaft Ø A (mm) External Ø B (mm) Overall Length L (mm) 2728325 25 43 105 2728330 30 49 111 2728335 35 55 119 2728340 40 60 119 2728345 45 65 117.5 2728350 50 70 120
Product References
FNI Article Item Reference EAN 2728325 14STR25 8057741260196 2728330 14STR30 8057741260202 2728335 14STR35 8057741260219 2728340 14STR40 8057741260226 2728345 14STR45 8057741260233 2728350 STELN00018 8057741260240
Key Features
- Product Series: STUFFY BOX.
- Version: Normal.
- Product Type: Rubber Propeller Shaft Seal.
- Application: Metric Marine Propeller Shafts.
- Sealing Material: Rubber.
- Lubrication: Grease.
- Grease Hole: Yes.
- Hose Connection: Not Required.
- Shaft Diameter Range: 25–50 mm.
- External Diameter Range: 43–70 mm.
- Overall Length Range: 105–120 mm.
- Available Configurations: 6.
Technical Specifications
Product Type Propeller Shaft Seal Series STUFFY BOX Version Normal Material Rubber Lubrication Grease Shaft Diameter Ø A 25–50 mm External Diameter Ø B 43–70 mm Overall Length L 105–120 mm Minimum Support Length 38 mm Recommended Greasing Interval 200 Operating Hours Recommended Replacement Interval 4 Years or 500 Operating Hours Number of Variants 6
Shaft Seal Selection
Select the appropriate STUFFY BOX Normal Version according to the propeller shaft diameter.
The selected model determines the corresponding external diameter and overall length. Confirm the shaft size and available installation space before ordering.
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