Tapered Roller Bearings
30330 Tapered Roller Bearing
150 × 320 × 72 mm
30330 is a tapered roller bearing from the 303 series with a 150 mm bore, a 320 mm outside diameter and a 72 mm overall width. It has a dynamic load rating of 742,500 N and a static load rating of 96,300 N and a speed rating of 1,440 rpm (oil lubrication), weighing about 25.5 kg. The radial cross-section (D − d) is 170 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30330 Specifications
| Bearing No. | 30330 |
|---|---|
| d (Bore) | 150 mm |
| D (Outer Dia.) | 320 mm |
| T (Overall Width) | 72 mm |
| B (Cone Width) | 65 mm |
| C (Cup Width) | 55 mm |
| Dynamic Load | 742,500 N |
| Static Load | 96,300 N |
| Max. RPM | 1,440 |
| Weight | 25.5 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
30330 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
30330 — Frequently Asked Questions
What are the dimensions of the 30330 bearing?
The 30330 has a bore (d) of 150 mm, an outside diameter (D) of 320 mm and a overall width of 72 mm, so it is written 150 × 320 × 72 mm.
What is the load rating of the 30330?
Dynamic load rating 742,500 N and static load rating 96,300 N. The speed rating is 1,440 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30330 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30330 P6 (higher running accuracy (ISO class 6)), 30330 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 150 mm bore as the 30330?
Other tapered roller bearings with a 150 mm bore include 32030 (225 mm OD), 33030 (225 mm OD), 30230 (270 mm OD), 32230 (270 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30330 bearing across India?
Yes. Logass Trade Centre supplies the 30330 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 30330?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.