Cylindrical Roller Bearings
N304 Cylindrical Roller Bearing
20 × 52 × 15 mm
N304 is a cylindrical roller bearing from the N3 series with a 20 mm bore, a 52 mm outside diameter and a 15 mm width. It has a dynamic load rating of 20,790 N and a static load rating of 17,280 N and a speed rating of 15,300 rpm (oil lubrication), weighing about 0.149 kg. The radial cross-section (D − d) is 32 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
N304 Specifications
| Bearing No. | N304 |
|---|---|
| d (Bore) | 20 mm |
| D (Outer Dia.) | 52 mm |
| B (Width) | 15 mm |
| Dynamic Load | 20,790 N |
| Static Load | 17,280 N |
| Max. RPM | 15,300 |
| Weight | 0.149 kg |
| Series | N3 Series Single Row Cylindrical Roller Bearings |
N304 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the N3 series page.
Neighbouring Sizes in the N3 Series
N304 — Frequently Asked Questions
What are the dimensions of the N304 bearing?
The N304 has a bore (d) of 20 mm, an outside diameter (D) of 52 mm and a width of 15 mm, so it is written 20 × 52 × 15 mm.
What is the load rating of the N304?
Dynamic load rating 20,790 N and static load rating 17,280 N. The speed rating is 15,300 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the N304 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include N304 C3 (radial clearance larger than normal), N304 M (machined brass cage), N304 K (tapered bore (1:12)), N304 P6 (higher running accuracy (ISO class 6)). Tell us the exact designation you need in a quote request.
Which other bearings have the same 20 mm bore as the N304?
Other cylindrical roller bearings with a 20 mm bore include N204 (47 mm OD), NF204 (47 mm OD), NJ204 (47 mm OD), NJ2204 (47 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the N304 bearing across India?
Yes. Logass Trade Centre supplies the N304 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Can’t find your size?
We supply sizes, brands and special versions of cylindrical roller bearings that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
Need pricing on the N304?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.