Single-row cylindrical roller bearings
NJ222M Cylindrical Roller Bearing Dimensions & Specifications
NJ222M cylindrical roller bearing: 110 mm bore (d), 200 mm outside diameter (D), 38 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.
Technical specifications
| Bore d | 110 mm |
|---|---|
| Outside diameter D | 200 mm |
| Width B | 38 mm |
| Mass | 5.10 kg |
| Catalogue dynamic load Cr | 255 kN |
| Catalogue static load Cor | 340 kN |
| Grease-lubricated speed grease | 2800 rpm |
| Oil-lubricated speed oil | 3400 rpm |
Mounting dimensions & additional parameters (7)
| Abutment dimension Da Da | 185 mm |
|---|---|
| Abutment dimension db db | 124 mm |
| Minimum chamfer r12 r12 | 2.1 mm |
| Minimum chamfer r34 r34 | 2.1 mm |
| Maximum fillet ra ra | 2 mm |
| Maximum fillet rb rb | 2 mm |
| Roller envelope diameter Fw Fw | 132.5 mm |
Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.
Selection & installation
Which mounting dimensions are listed for NJ222M?
The NJ222M catalogue lists Da = 185 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 NJ222M?
The listed values for NJ222M are grease: 2800 rpm; oil: 3400 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 NJ222M?
The catalogue reference mass for NJ222M is 5.10 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.