Cylindrical Roller Bearings
NUP311 Cylindrical Roller Bearing
55 × 120 × 29 mm
NUP311 is a cylindrical roller bearing from the NUP3 series with a 55 mm bore, a 120 mm outside diameter and a 29 mm width. It has a dynamic load rating of 99,900 N and a static load rating of 99,900 N and a speed rating of 6,300 rpm (oil lubrication), weighing about 1.145 kg. The radial cross-section (D − d) is 65 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
NUP311 Specifications
| Bearing No. | NUP311 |
|---|---|
| d (Bore) | 55 mm |
| D (Outer Dia.) | 120 mm |
| B (Width) | 29 mm |
| Dynamic Load | 99,900 N |
| Static Load | 99,900 N |
| Max. RPM | 6,300 |
| Weight | 1.145 kg |
| Series | NUP3 Series Single Row Cylindrical Roller Bearings |
NUP311 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the NUP3 series page.
Neighbouring Sizes in the NUP3 Series
NUP311 — Frequently Asked Questions
What are the dimensions of the NUP311 bearing?
The NUP311 has a bore (d) of 55 mm, an outside diameter (D) of 120 mm and a width of 29 mm, so it is written 55 × 120 × 29 mm.
What is the load rating of the NUP311?
Dynamic load rating 99,900 N and static load rating 99,900 N. The speed rating is 6,300 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the NUP311 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include NUP311 C3 (radial clearance larger than normal), NUP311 M (machined brass cage), NUP311 K (tapered bore (1:12)), NUP311 P6 (higher running accuracy (ISO class 6)). Tell us the exact designation you need in a quote request.
Which other bearings have the same 55 mm bore as the NUP311?
Other cylindrical roller bearings with a 55 mm bore include NU1011 (90 mm OD), N211 (100 mm OD), NF211 (100 mm OD), NJ211 (100 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the NUP311 bearing across India?
Yes. Logass Trade Centre supplies the NUP311 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 NUP311?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.