Cylindrical Roller Bearings
NJ405 Cylindrical Roller Bearing
25 × 80 × 21 mm
NJ405 is a cylindrical roller bearing from the NJ4 series with a 25 mm bore, a 80 mm outside diameter and a 21 mm width. It has a dynamic load rating of 41,850 N and a static load rating of 36,000 N and a speed rating of 9,000 rpm (oil lubrication), weighing about 0.55 kg. The radial cross-section (D − d) is 55 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
NJ405 Specifications
| Bearing No. | NJ405 |
|---|---|
| d (Bore) | 25 mm |
| D (Outer Dia.) | 80 mm |
| B (Width) | 21 mm |
| Dynamic Load | 41,850 N |
| Static Load | 36,000 N |
| Max. RPM | 9,000 |
| Weight | 0.55 kg |
| Series | NJ4 Series Single Row Cylindrical Roller Bearings |
NJ405 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the NJ4 series page.
NJ405 C3
radial clearance larger than normal
NJ405 M
machined brass cage
NJ405 K
tapered bore (1:12)
NJ405 P6
higher running accuracy (ISO class 6)
Neighbouring Sizes in the NJ4 Series
NJ405 — Frequently Asked Questions
What are the dimensions of the NJ405 bearing?
The NJ405 has a bore (d) of 25 mm, an outside diameter (D) of 80 mm and a width of 21 mm, so it is written 25 × 80 × 21 mm.
What is the load rating of the NJ405?
Dynamic load rating 41,850 N and static load rating 36,000 N. The speed rating is 9,000 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the NJ405 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include NJ405 C3 (radial clearance larger than normal), NJ405 M (machined brass cage), NJ405 K (tapered bore (1:12)), NJ405 P6 (higher running accuracy (ISO class 6)). Tell us the exact designation you need in a quote request.
Which other bearings have the same 25 mm bore as the NJ405?
Other cylindrical roller bearings with a 25 mm bore include NU1005 (47 mm OD), N205 (52 mm OD), NF205 (52 mm OD), NJ205 (52 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the NJ405 bearing across India?
Yes. Logass Trade Centre supplies the NJ405 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 NJ405?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.