Tapered Roller Bearings
30306D Tapered Roller Bearing
30 × 72 × 20.75 mm
30306D is a tapered roller bearing from the 303D series with a 30 mm bore, a 72 mm outside diameter and a 20.75 mm overall width. It has a dynamic load rating of 43,650 N and a static load rating of 46,350 N and a speed rating of 6,030 rpm (oil lubrication), weighing about 0.398 kg. The radial cross-section (D − d) is 42 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30306D Specifications
| Bearing No. | 30306D |
|---|---|
| d (Bore) | 30 mm |
| D (Outer Dia.) | 72 mm |
| T (Overall Width) | 20.75 mm |
| B (Cone Width) | 19 mm |
| C (Cup Width) | 14 mm |
| Dynamic Load | 43,650 N |
| Static Load | 46,350 N |
| Max. RPM | 6,030 |
| Weight | 0.398 kg |
| Series | 303D Series Single Row Tapered Roller Bearings |
30306D Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 303D series page.
30306D P6
higher running accuracy (ISO class 6)
30306D M
machined brass cage
Neighbouring Sizes in the 303D Series
30306D — Frequently Asked Questions
What are the dimensions of the 30306D bearing?
The 30306D has a bore (d) of 30 mm, an outside diameter (D) of 72 mm and a overall width of 20.75 mm, so it is written 30 × 72 × 20.75 mm.
What is the load rating of the 30306D?
Dynamic load rating 43,650 N and static load rating 46,350 N. The speed rating is 6,030 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30306D available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30306D P6 (higher running accuracy (ISO class 6)), 30306D M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 30 mm bore as the 30306D?
Other tapered roller bearings with a 30 mm bore include 32006 (55 mm OD), 33006 (55 mm OD), 30206 (62 mm OD), 32206 (62 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30306D bearing across India?
Yes. Logass Trade Centre supplies the 30306D 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 30306D?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.