Cylindrical Roller Bearings
N421 Cylindrical Roller Bearing
105 × 260 × 60 mm
N421 is a cylindrical roller bearing from the N4 series with a 105 mm bore, a 260 mm outside diameter and a 60 mm width. It has a dynamic load rating of 445,500 N and a static load rating of 499,500 N and a speed rating of 2,340 rpm (oil lubrication), weighing about 16.2 kg. The radial cross-section (D − d) is 155 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
N421 Specifications
| Bearing No. | N421 |
|---|---|
| d (Bore) | 105 mm |
| D (Outer Dia.) | 260 mm |
| B (Width) | 60 mm |
| Dynamic Load | 445,500 N |
| Static Load | 499,500 N |
| Max. RPM | 2,340 |
| Weight | 16.2 kg |
| Series | N4 Series Single Row Cylindrical Roller Bearings |
N421 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the N4 series page.
N421 C3
radial clearance larger than normal
N421 M
machined brass cage
N421 K
tapered bore (1:12)
N421 P6
higher running accuracy (ISO class 6)
Neighbouring Sizes in the N4 Series
N421 — Frequently Asked Questions
What are the dimensions of the N421 bearing?
The N421 has a bore (d) of 105 mm, an outside diameter (D) of 260 mm and a width of 60 mm, so it is written 105 × 260 × 60 mm.
What is the load rating of the N421?
Dynamic load rating 445,500 N and static load rating 499,500 N. The speed rating is 2,340 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the N421 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include N421 C3 (radial clearance larger than normal), N421 M (machined brass cage), N421 K (tapered bore (1:12)), N421 P6 (higher running accuracy (ISO class 6)). Tell us the exact designation you need in a quote request.
Which other bearings have the same 105 mm bore as the N421?
Other cylindrical roller bearings with a 105 mm bore include NU1021 (160 mm OD), N221 (190 mm OD), NF221 (190 mm OD), NJ221 (190 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the N421 bearing across India?
Yes. Logass Trade Centre supplies the N421 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 N421?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.