Tapered Roller Bearings
30303 Tapered Roller Bearing
17 × 47 × 15.25 mm
30303 is a tapered roller bearing from the 303 series with a 17 mm bore, a 47 mm outside diameter and a 15.25 mm overall width. It has a dynamic load rating of 26,010 N and a static load rating of 23,670 N and a speed rating of 10,800 rpm (oil lubrication), weighing about 0.134 kg. The radial cross-section (D − d) is 30 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30303 Specifications
| Bearing No. | 30303 |
|---|---|
| d (Bore) | 17 mm |
| D (Outer Dia.) | 47 mm |
| T (Overall Width) | 15.25 mm |
| B (Cone Width) | 14 mm |
| C (Cup Width) | 12 mm |
| Dynamic Load | 26,010 N |
| Static Load | 23,670 N |
| Max. RPM | 10,800 |
| Weight | 0.134 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
30303 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 303 series page.
Neighbouring Sizes in the 303 Series
30303 — Frequently Asked Questions
What are the dimensions of the 30303 bearing?
The 30303 has a bore (d) of 17 mm, an outside diameter (D) of 47 mm and a overall width of 15.25 mm, so it is written 17 × 47 × 15.25 mm.
What is the load rating of the 30303?
Dynamic load rating 26,010 N and static load rating 23,670 N. The speed rating is 10,800 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30303 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30303 P6 (higher running accuracy (ISO class 6)), 30303 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 17 mm bore as the 30303?
Other tapered roller bearings with a 17 mm bore include 30203 (40 mm OD), 32203 (40 mm OD), 32303 (47 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30303 bearing across India?
Yes. Logass Trade Centre supplies the 30303 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 tapered 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 30303?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.