Cylindrical Roller Bearings
NJ2311 Cylindrical Roller Bearing
55 × 120 × 43 mm
NJ2311 is a cylindrical roller bearing from the NJ23 series with a 55 mm bore, a 120 mm outside diameter and a 43 mm width. It has a dynamic load rating of 133,200 N and a static load rating of 145,800 N and a speed rating of 5,490 rpm (oil lubrication), weighing about 2.17 kg. The radial cross-section (D − d) is 65 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
NJ2311 Specifications
| Bearing No. | NJ2311 |
|---|---|
| d (Bore) | 55 mm |
| D (Outer Dia.) | 120 mm |
| B (Width) | 43 mm |
| Dynamic Load | 133,200 N |
| Static Load | 145,800 N |
| Max. RPM | 5,490 |
| Weight | 2.17 kg |
| Series | NJ23 Series Single Row Cylindrical Roller Bearings |
NJ2311 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the NJ23 series page.
Neighbouring Sizes in the NJ23 Series
NJ2311 — Frequently Asked Questions
What are the dimensions of the NJ2311 bearing?
The NJ2311 has a bore (d) of 55 mm, an outside diameter (D) of 120 mm and a width of 43 mm, so it is written 55 × 120 × 43 mm.
What is the load rating of the NJ2311?
Dynamic load rating 133,200 N and static load rating 145,800 N. The speed rating is 5,490 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the NJ2311 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include NJ2311 C3 (radial clearance larger than normal), NJ2311 M (machined brass cage), NJ2311 K (tapered bore (1:12)), NJ2311 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 NJ2311?
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 NJ2311 bearing across India?
Yes. Logass Trade Centre supplies the NJ2311 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 NJ2311?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.