Single-row cylindrical roller bearings
N1021M Cylindrical Roller Bearing Dimensions & Specifications
N1021M cylindrical roller bearing: 105 mm bore (d), 160 mm outside diameter (D), 26 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 105 mm |
|---|---|
| Outside diameter D | 160 mm |
| Width B | 26 mm |
| Mass | 1.82 kg |
| Catalogue dynamic load Cr | 120 kN |
| Catalogue static load Cor | 176 kN |
| Grease-lubricated speed grease | 4000 rpm |
| Oil-lubricated speed oil | 4800 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Db Db | 150 mm |
|---|---|
| Abutment dimension da da | 117 mm |
| Minimum chamfer r12 r12 | 2 mm |
| Minimum chamfer r34 r34 | 1.1 mm |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 1 mm |
| Roller envelope diameter Ew Ew | 145.5 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for N1021M?
The N1021M catalogue lists da = 117 mm; ra ≤ 2 mm. Check these symbols against the bearing drawing and the shaft/housing shoulders; they are not shaft or housing fit tolerances.
What speed values are available for N1021M?
The listed values for N1021M are grease: 4000 rpm; oil: 4800 rpm. These catalogue references do not determine a safe operating speed on their own. Confirm load, clearance, lubrication and heat conditions for the application.
What is the reference mass of N1021M?
The catalogue reference mass for N1021M is 1.82 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

