Cylindrical Roller Bearings
NU304 Cylindrical Roller Bearing
20 × 52 × 15 mm
NU304 is a cylindrical roller bearing from the NU3 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 0.153 kg. The radial cross-section (D − d) is 32 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
NU304 Specifications
| Bearing No. | NU304 |
|---|---|
| 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 | 0.153 kg |
| Series | NU3 Series Single Row Cylindrical Roller Bearings |
NU304 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the NU3 series page.
NU304 C3
radial clearance larger than normal
NU304 M
machined brass cage
NU304 K
tapered bore (1:12)
NU304 P6
higher running accuracy (ISO class 6)
Neighbouring Sizes in the NU3 Series
NU304 — Frequently Asked Questions
What are the dimensions of the NU304 bearing?
The NU304 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 NU304?
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 NU304 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include NU304 C3 (radial clearance larger than normal), NU304 M (machined brass cage), NU304 K (tapered bore (1:12)), NU304 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 NU304?
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 NU304 bearing across India?
Yes. Logass Trade Centre supplies the NU304 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 NU304?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.