Cylindrical Roller Bearings
NU320 Cylindrical Roller Bearing
100 × 215 × 47 mm
NU320 is a cylindrical roller bearing from the NU3 series with a 100 mm bore, a 215 mm outside diameter and a 47 mm width. It has a dynamic load rating of 283,500 N and a static load rating of 328,500 N and a speed rating of 3,420 rpm (oil lubrication), weighing about 7.49 kg. The radial cross-section (D − d) is 115 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
NU320 Specifications
| Bearing No. | NU320 |
|---|---|
| d (Bore) | 100 mm |
| D (Outer Dia.) | 215 mm |
| B (Width) | 47 mm |
| Dynamic Load | 283,500 N |
| Static Load | 328,500 N |
| Max. RPM | 3,420 |
| Weight | 7.49 kg |
| Series | NU3 Series Single Row Cylindrical Roller Bearings |
NU320 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the NU3 series page.
NU320 C3
radial clearance larger than normal
NU320 M
machined brass cage
NU320 K
tapered bore (1:12)
NU320 P6
higher running accuracy (ISO class 6)
Neighbouring Sizes in the NU3 Series
NU320 — Frequently Asked Questions
What are the dimensions of the NU320 bearing?
The NU320 has a bore (d) of 100 mm, an outside diameter (D) of 215 mm and a width of 47 mm, so it is written 100 × 215 × 47 mm.
What is the load rating of the NU320?
Dynamic load rating 283,500 N and static load rating 328,500 N. The speed rating is 3,420 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the NU320 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include NU320 C3 (radial clearance larger than normal), NU320 M (machined brass cage), NU320 K (tapered bore (1:12)), NU320 P6 (higher running accuracy (ISO class 6)). Tell us the exact designation you need in a quote request.
Which other bearings have the same 100 mm bore as the NU320?
Other cylindrical roller bearings with a 100 mm bore include NU1020 (150 mm OD), N220 (180 mm OD), NF220 (180 mm OD), NJ220 (180 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the NU320 bearing across India?
Yes. Logass Trade Centre supplies the NU320 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 NU320?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.