Cylindrical Roller Bearings
NF306 Cylindrical Roller Bearing
30 × 72 × 19 mm
NF306 is a cylindrical roller bearing from the NF3 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
NF306 Specifications
| Bearing No. | NF306 |
|---|---|
| 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 | NF3 Series Single Row Cylindrical Roller Bearings |
NF306 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the NF3 series page.
NF306 C3
radial clearance larger than normal
NF306 M
machined brass cage
NF306 K
tapered bore (1:12)
NF306 P6
higher running accuracy (ISO class 6)
Neighbouring Sizes in the NF3 Series
NF306 — Frequently Asked Questions
What are the dimensions of the NF306 bearing?
The NF306 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 NF306?
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 NF306 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include NF306 C3 (radial clearance larger than normal), NF306 M (machined brass cage), NF306 K (tapered bore (1:12)), NF306 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 NF306?
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 NF306 bearing across India?
Yes. Logass Trade Centre supplies the NF306 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 NF306?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.