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โ Keep your marine drive smooth sailing with RPS precision!
The RPS 30-60794A4 is a greasable gimbal bearing replacement designed for MerCruiser, OMC, and Volvo Penta sterndrive applications. Made from durable alloy steel, it ensures precise marine drive alignment and easy maintenance via grease zerk fitting. Trusted by professionals and backed by strong customer reviews, this bearing delivers reliable performance and longevity in demanding watercraft environments.
| ASIN | B018WLJAQ8 |
| Bearing Number | 21905 |
| Bearing Type | Greasable Bearing |
| Best Sellers Rank | #82,575 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Rods & Main Bearings for Engine Kits #915 in Powersports Body Parts |
| Brand Name | RPS |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.3 4.3 out of 5 stars (266) |
| Item Weight | 1 Pounds |
| Manufacturer | GLM |
| Material Type | Alloy Steel |
| Part Number | 21905 |
| Specification Met | Omc |
| UPC | 683422427046 777772279735 |
| Unit Count | 1.0 Count |
G**N
Great product
I've bought lots of these from Amazon and the price and function is great!
T**B
Easy to Use, Works Perfectly!
Arrived early and well protected. The product is even better in person.
N**I
Perfect fit just make sure you lineup the grease fitting
How to replace my bearing perfect fit
K**B
Gimbal bearing
Not bad for the price tolerance seem a little tight, but thatโs OK
S**.
Make sure you grease this new bearing properly before use
Had noise and vibration in Alpha drive. Installed new bearing and problem solved. NOTE..GREASE THE BEARING BEFORE INSTALLATION. WHEN INSTALLING MAKE SURE YOU ALIGN THE GREASE HOLES OF THE BEARING AND RETAINER WITH GREASE HOLES IN THE HOUSING... ADD ABOUT 5 (USING A FULL SIZE GREASE GUN) PUMPS OF RECOMMENDED GREASE TO THE BEARING. START THE ENGINE USING WATER 'MUFFS' AND RUN AT MODERATE SPEED A COUPLE OF MINUTES. CHECK FOR NOISE, VIBRATION AND PROPER INSTALLATION OF DRIVE BY SHIFTING THROUGH GEARS AND SLOWLY TURNING WHEEL FULLY LEFT AND RIGHT (MAKE SURE WATER HOSE IS CLEAR OF PROP DURING PROCEDURE). STOP. ADD ANOTHER 5 PUMPS OF GREASE AND HEAD TO THE LAKE.
A**E
Quality terrible
Installed bearing in June 2025, itโs now September and the bearing started making noise, upon inspecting bearing is pulling apart and not functional
C**L
Gimbal bearing, greasable
perfect fit, seems heavy duty, and makes no noise at all so far
A**R
Great
Like
M**N
It's great.Used on merc cruiser alpa one gen1.
R**G
Bought 2 and both failed. Unfortunately a couple weeks after return window so i am out the money. DO NOT BUY
Trustpilot
1 month ago
1 month ago