Pro-Ject Grease it Silicon Grease for Ceramic Bearing Lubrication

Pro-Ject Grease it — The Lubricant for a Ceramic Bearing

A silicone grease for lubricating turntable bearings, sold singly, specified by Pro-Ject for use on their own turntables. It is the correct lubricant for the ceramic bearings Pro-Ject fits, which is a narrower requirement than it sounds.

Bearing lubricant is not a place to improvise. The wrong oil in a precision bearing either runs out and leaves it dry or thickens and drags, and either outcome shows up as noise through a cartridge reading movement at micron scale.

Fit and Function

Why a Specified Grease

A main bearing carries the platter and turns continuously. What is between the shaft and the sleeve determines how quietly it does that, and the viscosity was chosen when the bearing was designed rather than afterward.

What It Fits

Pro-Ject specifies it for use on Pro-Ject turntables. If you own another make, use what that manufacturer specifies — bearing tolerances and materials vary enough that a lubricant correct for one can be wrong for another.

Silicone grease stays where it is put. That matters on a vertical bearing shaft, where a thin oil will migrate downward over time and leave the top of the bearing running with less than it should have.

Who Is Grease it Best For?

• You own a Pro-Ject turntable — this is the lubricant Pro-Ject specifies for them
• You are servicing the bearing — the one occasion you need it, and the one time to do it properly
• Your platter has become audible — bearing rumble is a real symptom and lubrication is the first check
• You have had the platter off — a bearing reassembled dry is a bearing being damaged
• Your turntable is another make — use the lubricant that maker specifies; see turntable accessories for what else fits

How Do You Use It?

Only when the bearing is actually apart, and sparingly. Lift the platter, clean the old lubricant off the shaft and out of the well rather than adding to it, apply a small quantity, and reassemble. More is not better — excess grease adds drag rather than reducing it.

Pairs Well With

What most owners keep alongside.

• Turntable parts and add-ons — the upgrade parts these support
• Stylus force gauges — the setting to re-check after any change at the arm
• Cartridge alignment tools — the rest of the setup kit
• Turntable accessories — the rest of the small parts

Frequently Asked Questions

Will it work on my turntable?

Pro-Ject specifies it for Pro-Ject turntables. For another make, follow that manufacturer's own specification rather than assuming lubricants are interchangeable.

How many do I need?

One, sold singly, and a single container lasts a very long time — bearing lubrication is a rare job and it uses very little each time.

How often should a bearing be lubricated?

Rarely, and only when the manufacturer's guidance or an audible change calls for it. Opening a bearing that is working properly introduces more risk than it removes.

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