Self-Aligning Ball Bearings
2309 Self-Aligning Ball Bearing
45 × 100 × 36 mm
2309 is a self-aligning ball bearing from the 23 series with a 45 mm bore, a 100 mm outside diameter and a 36 mm width. It has a dynamic load rating of 48,600 N and a static load rating of 15,030 N and a speed rating of 5,310 rpm (oil lubrication), weighing about 1.23 kg. The radial cross-section (D − d) is 55 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
2309 Specifications
| Bearing No. | 2309 |
|---|---|
| d (Bore) | 45 mm |
| D (Outer Dia.) | 100 mm |
| B (Width) | 36 mm |
| Dynamic Load | 48,600 N |
| Static Load | 15,030 N |
| Max. RPM | 5,310 |
| Weight | 1.23 kg |
| Series | 23 Series Double Row Self-Aligning Ball Bearings |
2309 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 23 series page.
2309 K
tapered bore (1:12)
2309 C3
radial clearance larger than normal
2309-2RS
rubber seals on both sides
Neighbouring Sizes in the 23 Series
2309 — Frequently Asked Questions
What are the dimensions of the 2309 bearing?
The 2309 has a bore (d) of 45 mm, an outside diameter (D) of 100 mm and a width of 36 mm, so it is written 45 × 100 × 36 mm.
What is the load rating of the 2309?
Dynamic load rating 48,600 N and static load rating 15,030 N. The speed rating is 5,310 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 2309 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 2309 K (tapered bore (1:12)), 2309 C3 (radial clearance larger than normal), 2309-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 45 mm bore as the 2309?
Other self-aligning ball bearings with a 45 mm bore include 1209 (85 mm OD), 2209 (85 mm OD), 1309 (100 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 2309 bearing across India?
Yes. Logass Trade Centre supplies the 2309 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 2309?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.