Tapered Roller Bearings
30203 Tapered Roller Bearing
17 × 40 × 13.25 mm
30203 is a tapered roller bearing from the 302 series with a 17 mm bore, a 40 mm outside diameter and a 13.25 mm overall width. It has a dynamic load rating of 18,450 N and a static load rating of 18,270 N and a speed rating of 11,700 rpm (oil lubrication), weighing about 0.08 kg. The radial cross-section (D − d) is 23 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30203 Specifications
| Bearing No. | 30203 |
|---|---|
| d (Bore) | 17 mm |
| D (Outer Dia.) | 40 mm |
| T (Overall Width) | 13.25 mm |
| B (Cone Width) | 12 mm |
| C (Cup Width) | 11 mm |
| Dynamic Load | 18,450 N |
| Static Load | 18,270 N |
| Max. RPM | 11,700 |
| Weight | 0.08 kg |
| Series | 302 Series Single Row Tapered Roller Bearings |
30203 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 302 series page.
Neighbouring Sizes in the 302 Series
30203 — Frequently Asked Questions
What are the dimensions of the 30203 bearing?
The 30203 has a bore (d) of 17 mm, an outside diameter (D) of 40 mm and a overall width of 13.25 mm, so it is written 17 × 40 × 13.25 mm.
What is the load rating of the 30203?
Dynamic load rating 18,450 N and static load rating 18,270 N. The speed rating is 11,700 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30203 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30203 P6 (higher running accuracy (ISO class 6)), 30203 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 30203?
Other tapered roller bearings with a 17 mm bore include 32203 (40 mm OD), 30303 (47 mm OD), 32303 (47 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30203 bearing across India?
Yes. Logass Trade Centre supplies the 30203 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 30203?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.