Cylindrical Roller Bearings
N405 Cylindrical Roller Bearing
25 × 80 × 21 mm
N405 is a cylindrical roller bearing from the N4 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 0.536 kg. The radial cross-section (D − d) is 55 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
N405 Specifications
| Bearing No. | N405 |
|---|---|
| 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 | 0.536 kg |
| Series | N4 Series Single Row Cylindrical Roller Bearings |
N405 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the N4 series page.
N405 C3
radial clearance larger than normal
N405 M
machined brass cage
N405 K
tapered bore (1:12)
N405 P6
higher running accuracy (ISO class 6)
Neighbouring Sizes in the N4 Series
N405 — Frequently Asked Questions
What are the dimensions of the N405 bearing?
The N405 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 N405?
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 N405 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include N405 C3 (radial clearance larger than normal), N405 M (machined brass cage), N405 K (tapered bore (1:12)), N405 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 N405?
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 N405 bearing across India?
Yes. Logass Trade Centre supplies the N405 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 N405?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.