Tapered Roller Bearings
30328 Tapered Roller Bearing
140 × 300 × 67.75 mm
30328 is a tapered roller bearing from the 303 series with a 140 mm bore, a 300 mm outside diameter and a 67.75 mm overall width. It has a dynamic load rating of 661,500 N and a static load rating of 855,000 N and a speed rating of 1,530 rpm (oil lubrication), weighing about 21.2 kg. The radial cross-section (D − d) is 160 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30328 Specifications
| Bearing No. | 30328 |
|---|---|
| d (Bore) | 140 mm |
| D (Outer Dia.) | 300 mm |
| T (Overall Width) | 67.75 mm |
| B (Cone Width) | 62 mm |
| C (Cup Width) | 53 mm |
| Dynamic Load | 661,500 N |
| Static Load | 855,000 N |
| Max. RPM | 1,530 |
| Weight | 21.2 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
30328 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
30328 — Frequently Asked Questions
What are the dimensions of the 30328 bearing?
The 30328 has a bore (d) of 140 mm, an outside diameter (D) of 300 mm and a overall width of 67.75 mm, so it is written 140 × 300 × 67.75 mm.
What is the load rating of the 30328?
Dynamic load rating 661,500 N and static load rating 855,000 N. The speed rating is 1,530 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30328 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30328 P6 (higher running accuracy (ISO class 6)), 30328 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 140 mm bore as the 30328?
Other tapered roller bearings with a 140 mm bore include 32028 (210 mm OD), 33028 (210 mm OD), 30228 (250 mm OD), 32228 (250 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30328 bearing across India?
Yes. Logass Trade Centre supplies the 30328 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 30328?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.