Cylindrical Roller Bearings
NU203 Cylindrical Roller Bearing
17 × 40 × 12 mm
NU203 is a cylindrical roller bearing from the NU2 series with a 17 mm bore, a 40 mm outside diameter and a 12 mm width. It has a dynamic load rating of 9,400 N and a static load rating of 6,000 N and a speed rating of 16,000 rpm (oil lubrication), weighing about 0.068 kg. The radial cross-section (D − d) is 23 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
NU203 Specifications
| Bearing No. | NU203 |
|---|---|
| d (Bore) | 17 mm |
| D (Outer Dia.) | 40 mm |
| B (Width) | 12 mm |
| Dynamic Load | 9,400 N |
| Static Load | 6,000 N |
| Max. RPM | 16,000 |
| Weight | 0.068 kg |
| Series | NU2 Series Single Row Cylindrical Roller Bearings |
NU203 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the NU2 series page.
Other Bearings with 17 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| NUP203 | NUP2 | 40 | 9,400 |
Neighbouring Sizes in the NU2 Series
NU203 — Frequently Asked Questions
What are the dimensions of the NU203 bearing?
The NU203 has a bore (d) of 17 mm, an outside diameter (D) of 40 mm and a width of 12 mm, so it is written 17 × 40 × 12 mm.
What is the load rating of the NU203?
Dynamic load rating 9,400 N and static load rating 6,000 N. The speed rating is 16,000 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the NU203 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include NU203 C3 (radial clearance larger than normal), NU203 M (machined brass cage), NU203 K (tapered bore (1:12)), NU203 P6 (higher running accuracy (ISO class 6)). Tell us the exact designation you need in a quote request.
Which other bearings have the same 17 mm bore as the NU203?
Other cylindrical roller bearings with a 17 mm bore include NUP203 (40 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the NU203 bearing across India?
Yes. Logass Trade Centre supplies the NU203 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Can’t find your size?
We supply sizes, brands and special versions of cylindrical roller bearings that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
Need pricing on the NU203?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.