Tapered Roller Bearings
30306 Tapered Roller Bearing
30 × 72 × 20.75 mm
30306 is a tapered roller bearing from the 303 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 54,000 N and a static load rating of 54,900 N and a speed rating of 6,840 rpm (oil lubrication), weighing about 0.408 kg. The radial cross-section (D − d) is 42 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30306 Specifications
| Bearing No. | 30306 |
|---|---|
| d (Bore) | 30 mm |
| D (Outer Dia.) | 72 mm |
| T (Overall Width) | 20.75 mm |
| B (Cone Width) | 19 mm |
| C (Cup Width) | 16 mm |
| Dynamic Load | 54,000 N |
| Static Load | 54,900 N |
| Max. RPM | 6,840 |
| Weight | 0.408 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
30306 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 303 series page.
30306 P6
higher running accuracy (ISO class 6)
30306 M
machined brass cage
Neighbouring Sizes in the 303 Series
30306 — Frequently Asked Questions
What are the dimensions of the 30306 bearing?
The 30306 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 30306?
Dynamic load rating 54,000 N and static load rating 54,900 N. The speed rating is 6,840 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30306 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30306 P6 (higher running accuracy (ISO class 6)), 30306 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 30306?
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 30306 bearing across India?
Yes. Logass Trade Centre supplies the 30306 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 30306?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.