Miniature & Extra Small Ball Bearings
R2-6 Miniature & Extra Small Ball Bearing
3.175 × 9.525 × 2.779 mm
R2-6 is a miniature & extra small ball bearing from the MX-4 series with a 3.175 mm bore, a 9.525 mm outside diameter and a 2.779 mm width. It has a dynamic load rating of 576 N and a static load rating of 202 N and a speed rating of 52,200 rpm (oil lubrication), weighing about 0.88 g. The radial cross-section (D − d) is 6.35 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
R2-6 Specifications
| Bearing No. | R2-6 |
|---|---|
| d (Bore) | 3.175 mm |
| D (Outer Dia.) | 9.525 mm |
| B (Width) | 2.779 mm |
| Dynamic Load | 576 N |
| Static Load | 202 N |
| Max. RPM | 52,200 |
| Weight | 0.88 g |
| Series | Open Type Miniature & Extra Small Ball Bearings (1.984mm–9.525mm bore) |
R2-6 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the MX-4 series page.
R2-6-ZZ
metal shields on both sides
R2-6-2RS
rubber seals on both sides
Neighbouring Sizes in the MX-4 Series
R2-6 — Frequently Asked Questions
What are the dimensions of the R2-6 bearing?
The R2-6 has a bore (d) of 3.175 mm, an outside diameter (D) of 9.525 mm and a width of 2.779 mm, so it is written 3.175 × 9.525 × 2.779 mm.
What is the load rating of the R2-6?
Dynamic load rating 576 N and static load rating 202 N. The speed rating is 52,200 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the R2-6 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include R2-6-ZZ (metal shields on both sides), R2-6-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 3.175 mm bore as the R2-6?
Other miniature & extra small ball bearings with a 3.175 mm bore include R144 (6.356 mm OD), R2-5 (7.938 mm OD), R2 (9.525 mm OD), R2A (12.7 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the R2-6 bearing across India?
Yes. Logass Trade Centre supplies the R2-6 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 R2-6?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.