Cylindrical Roller Bearings
N306 Cylindrical Roller Bearing
30 × 72 × 19 mm
N306 is a cylindrical roller bearing from the N3 series with a 30 mm bore, a 72 mm outside diameter and a 19 mm width. It has a dynamic load rating of 34,650 N and a static load rating of 31,500 N and a speed rating of 10,800 rpm (oil lubrication), weighing about 0.35 kg. The radial cross-section (D − d) is 42 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
N306 Specifications
| Bearing No. | N306 |
|---|---|
| d (Bore) | 30 mm |
| D (Outer Dia.) | 72 mm |
| B (Width) | 19 mm |
| Dynamic Load | 34,650 N |
| Static Load | 31,500 N |
| Max. RPM | 10,800 |
| Weight | 0.35 kg |
| Series | N3 Series Single Row Cylindrical Roller Bearings |
N306 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the N3 series page.
N306 C3
radial clearance larger than normal
N306 M
machined brass cage
N306 K
tapered bore (1:12)
N306 P6
higher running accuracy (ISO class 6)
Neighbouring Sizes in the N3 Series
N306 — Frequently Asked Questions
What are the dimensions of the N306 bearing?
The N306 has a bore (d) of 30 mm, an outside diameter (D) of 72 mm and a width of 19 mm, so it is written 30 × 72 × 19 mm.
What is the load rating of the N306?
Dynamic load rating 34,650 N and static load rating 31,500 N. The speed rating is 10,800 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the N306 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include N306 C3 (radial clearance larger than normal), N306 M (machined brass cage), N306 K (tapered bore (1:12)), N306 P6 (higher running accuracy (ISO class 6)). Tell us the exact designation you need in a quote request.
Which other bearings have the same 30 mm bore as the N306?
Other cylindrical roller bearings with a 30 mm bore include NU1006 (55 mm OD), N206 (62 mm OD), NF206 (62 mm OD), NJ206 (62 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the N306 bearing across India?
Yes. Logass Trade Centre supplies the N306 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 N306?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.