Self-Aligning Ball Bearings
2308 Self-Aligning Ball Bearing
40 × 90 × 33 mm
2308 is a self-aligning ball bearing from the 23 series with a 40 mm bore, a 90 mm outside diameter and a 33 mm width. It has a dynamic load rating of 40,500 N and a static load rating of 12,150 N and a speed rating of 5,940 rpm (oil lubrication), weighing about 0.918 kg. The radial cross-section (D − d) is 50 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
2308 Specifications
| Bearing No. | 2308 |
|---|---|
| d (Bore) | 40 mm |
| D (Outer Dia.) | 90 mm |
| B (Width) | 33 mm |
| Dynamic Load | 40,500 N |
| Static Load | 12,150 N |
| Max. RPM | 5,940 |
| Weight | 0.918 kg |
| Series | 23 Series Double Row Self-Aligning Ball Bearings |
2308 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 23 series page.
2308 K
tapered bore (1:12)
2308 C3
radial clearance larger than normal
2308-2RS
rubber seals on both sides
Neighbouring Sizes in the 23 Series
2308 — Frequently Asked Questions
What are the dimensions of the 2308 bearing?
The 2308 has a bore (d) of 40 mm, an outside diameter (D) of 90 mm and a width of 33 mm, so it is written 40 × 90 × 33 mm.
What is the load rating of the 2308?
Dynamic load rating 40,500 N and static load rating 12,150 N. The speed rating is 5,940 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 2308 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 2308 K (tapered bore (1:12)), 2308 C3 (radial clearance larger than normal), 2308-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 40 mm bore as the 2308?
Other self-aligning ball bearings with a 40 mm bore include 1208 (80 mm OD), 2208 (80 mm OD), 1308 (90 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 2308 bearing across India?
Yes. Logass Trade Centre supplies the 2308 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 2308?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.
