Cylindrical Roller Bearings
NJ312 Cylindrical Roller Bearing
60 × 120 × 31 mm
NJ312 is a cylindrical roller bearing from the NJ3 series with a 60 mm bore, a 120 mm outside diameter and a 31 mm width. It has a dynamic load rating of 111,600 N and a static load rating of 113,400 N and a speed rating of 5,850 rpm (oil lubrication), weighing about 1.76 kg. The radial cross-section (D − d) is 60 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
NJ312 Specifications
| Bearing No. | NJ312 |
|---|---|
| d (Bore) | 60 mm |
| D (Outer Dia.) | 120 mm |
| B (Width) | 31 mm |
| Dynamic Load | 111,600 N |
| Static Load | 113,400 N |
| Max. RPM | 5,850 |
| Weight | 1.76 kg |
| Series | NJ3 Series Single Row Cylindrical Roller Bearings |
NJ312 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the NJ3 series page.
NJ312 C3
radial clearance larger than normal
NJ312 M
machined brass cage
NJ312 K
tapered bore (1:12)
NJ312 P6
higher running accuracy (ISO class 6)
Neighbouring Sizes in the NJ3 Series
NJ312 — Frequently Asked Questions
What are the dimensions of the NJ312 bearing?
The NJ312 has a bore (d) of 60 mm, an outside diameter (D) of 120 mm and a width of 31 mm, so it is written 60 × 120 × 31 mm.
What is the load rating of the NJ312?
Dynamic load rating 111,600 N and static load rating 113,400 N. The speed rating is 5,850 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the NJ312 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include NJ312 C3 (radial clearance larger than normal), NJ312 M (machined brass cage), NJ312 K (tapered bore (1:12)), NJ312 P6 (higher running accuracy (ISO class 6)). Tell us the exact designation you need in a quote request.
Which other bearings have the same 60 mm bore as the NJ312?
Other cylindrical roller bearings with a 60 mm bore include NU1012 (95 mm OD), N212 (110 mm OD), NF212 (110 mm OD), NJ212 (110 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the NJ312 bearing across India?
Yes. Logass Trade Centre supplies the NJ312 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 NJ312?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.