Tapered Roller Bearings
30304 Tapered Roller Bearing
20 × 52 × 16.25 mm
30304 is a tapered roller bearing from the 303 series with a 20 mm bore, a 52 mm outside diameter and a 16.25 mm overall width. It has a dynamic load rating of 31,950 N and a static load rating of 30,600 N and a speed rating of 9,900 rpm (oil lubrication), weighing about 0.169 kg. The radial cross-section (D − d) is 32 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30304 Specifications
| Bearing No. | 30304 |
|---|---|
| d (Bore) | 20 mm |
| D (Outer Dia.) | 52 mm |
| T (Overall Width) | 16.25 mm |
| B (Cone Width) | 15 mm |
| C (Cup Width) | 13 mm |
| Dynamic Load | 31,950 N |
| Static Load | 30,600 N |
| Max. RPM | 9,900 |
| Weight | 0.169 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
30304 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 303 series page.
30304 P6
higher running accuracy (ISO class 6)
30304 M
machined brass cage
Neighbouring Sizes in the 303 Series
30304 — Frequently Asked Questions
What are the dimensions of the 30304 bearing?
The 30304 has a bore (d) of 20 mm, an outside diameter (D) of 52 mm and a overall width of 16.25 mm, so it is written 20 × 52 × 16.25 mm.
What is the load rating of the 30304?
Dynamic load rating 31,950 N and static load rating 30,600 N. The speed rating is 9,900 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30304 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30304 P6 (higher running accuracy (ISO class 6)), 30304 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 20 mm bore as the 30304?
Other tapered roller bearings with a 20 mm bore include 30204 (47 mm OD), 32204 (47 mm OD), 32304 (52 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30304 bearing across India?
Yes. Logass Trade Centre supplies the 30304 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 30304?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.