Part number · Miniature & MR bearings
MR84ZZ Bearing – 4 × 8 × 3 mm
MR84ZZ miniature ball bearing. Available – ask for stock. Supplied in multiple brands, across India, with same or next-day delivery in Mumbai.
MR84ZZ bearing price
Prices depend on brand and quantity, so we quote today’s rate. Send the quantity on WhatsApp and we reply during working hours with price and stock.
Available – ask for stock · Multiple brands
MR84ZZ is a miniature ball bearing measuring 4 × 8 × 3 mm: 4 mm bore, 8 mm outside diameter and 3 mm width. The open version is 2 mm wide. ZZ means metal shields on both sides, which keep the grease in and larger particles out.
In MR numbers the digits give the outside diameter first and then the bore: MR84 is 8 mm across with a 4 mm bore. Other 4 mm bore bearings in our special range: 604ZZ, 634ZZ, 684.
We supply the MR84ZZ in multiple brands, from a single piece for a repair to bulk quantities, and can source more at short notice.
Why MR84ZZ prices vary
- Genuine or copy: fakes sell far below the real price and fail early. We sell only genuine bearings.
- Version: sealed, shielded, C3, stainless and low-noise versions cost more than the open bearing.
- Quantity: bulk and repeat orders are priced lower.
So we quote today’s price for each brand rather than list one number. Ask for the MR84ZZ price on WhatsApp.
MR84ZZ dimensions
| Bore (d) | 4 mm |
|---|---|
| Outside diameter (D) | 8 mm |
| Width (B) | 3 mm (open: 2 mm) |
| Seals / shields | ZZ |
| Material | Chrome steel |
Also searched as
People write this bearing in different ways. All of these refer to the same 4 × 8 × 3 mm part:
Where the MR84ZZ is used
Miniature ball bearings with bores of just a few millimetres, made to tight tolerances for small, fast-running parts.
- Small DC motors
- Printers & 3D printers
- RC models & drones
- Instruments & meters
- Dental & medical devices
- Fishing reels & hobby tools
Buying for a factory or workshop?
- GST invoice with every order
- One quotation for your whole list
- No minimum order
- Same or next-day delivery in Mumbai; dispatch across India
Read more: MR bearing size guide
Updated
Questions
MR84ZZ bearing: frequently asked
What size is the MR84ZZ bearing?
MR84ZZ measures 4 × 8 × 3 mm (bore × outside diameter × width). The open version is 2 mm wide.
Is MR84ZZ available?
Yes, MR84ZZ is available – ask us for current stock. We supply it in multiple brands. Send the quantity on WhatsApp or through the quote form.
Have a part number, or just a worn-out bearing?
Send it to us. We will tell you what it is, what it costs, and how soon it can be at your door.