Self-Aligning Ball Bearings
2304 Self-Aligning Ball Bearing
20 × 52 × 21 mm
2304 is a self-aligning ball bearing from the 23 series with a 20 mm bore, a 52 mm outside diameter and a 21 mm width. It has a dynamic load rating of 16,290 N and a static load rating of 3,663 N and a speed rating of 10,800 rpm (oil lubrication), weighing about 0.206 kg. The radial cross-section (D − d) is 32 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
2304 Specifications
| Bearing No. | 2304 |
|---|---|
| d (Bore) | 20 mm |
| D (Outer Dia.) | 52 mm |
| B (Width) | 21 mm |
| Dynamic Load | 16,290 N |
| Static Load | 3,663 N |
| Max. RPM | 10,800 |
| Weight | 0.206 kg |
| Series | 23 Series Double Row Self-Aligning Ball Bearings |
2304 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 23 series page.
2304 K
tapered bore (1:12)
2304 C3
radial clearance larger than normal
2304-2RS
rubber seals on both sides
Neighbouring Sizes in the 23 Series
2304 — Frequently Asked Questions
What are the dimensions of the 2304 bearing?
The 2304 has a bore (d) of 20 mm, an outside diameter (D) of 52 mm and a width of 21 mm, so it is written 20 × 52 × 21 mm.
What is the load rating of the 2304?
Dynamic load rating 16,290 N and static load rating 3,663 N. The speed rating is 10,800 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 2304 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 2304 K (tapered bore (1:12)), 2304 C3 (radial clearance larger than normal), 2304-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 20 mm bore as the 2304?
Other self-aligning ball bearings with a 20 mm bore include 1204 (47 mm OD), 2204 (47 mm OD), 1304 (52 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 2304 bearing across India?
Yes. Logass Trade Centre supplies the 2304 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 2304?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.