Miniature & Extra Small Ball Bearings
8M12 Miniature & Extra Small Ball Bearing
8 × 12 × 2.2 mm
8M12 is a miniature & extra small ball bearing from the MX-3 series with a 8 mm bore, a 12 mm outside diameter and a 2.2 mm width. It has a dynamic load rating of 481 N and a static load rating of 244 N and a speed rating of 43,200 rpm (oil lubrication), weighing about 0.7 g. The radial cross-section (D − d) is 4 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
8M12 Specifications
| Bearing No. | 8M12 |
|---|---|
| d (Bore) | 8 mm |
| D (Outer Dia.) | 12 mm |
| B (Width) | 2.2 mm |
| Dynamic Load | 481 N |
| Static Load | 244 N |
| Max. RPM | 43,200 |
| Weight | 0.7 g |
| Series | Open Type Miniature & Extra Small Ball Bearings (6mm–9mm bore) |
8M12 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the MX-3 series page.
8M12-ZZ
metal shields on both sides
8M12-2RS
rubber seals on both sides
Neighbouring Sizes in the MX-3 Series
8M12 — Frequently Asked Questions
What are the dimensions of the 8M12 bearing?
The 8M12 has a bore (d) of 8 mm, an outside diameter (D) of 12 mm and a width of 2.2 mm, so it is written 8 × 12 × 2.2 mm.
What is the load rating of the 8M12?
Dynamic load rating 481 N and static load rating 244 N. The speed rating is 43,200 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 8M12 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 8M12-ZZ (metal shields on both sides), 8M12-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 8 mm bore as the 8M12?
Other miniature & extra small ball bearings with a 8 mm bore include F8M12 (12 mm OD), F8M14 (13.2 mm OD), F688 (14 mm OD), 8M14 (14 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 8M12 bearing across India?
Yes. Logass Trade Centre supplies the 8M12 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Need pricing on the 8M12?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.