Single-row cylindrical roller bearings

NU3140M Cylindrical Roller Bearing Dimensions & Specifications

NU3140M cylindrical roller bearing: 200 mm bore (d), 340 mm outside diameter (D), 112 mm width (B). Review the available technical values below. Matching dimensions alone do not confirm interchangeability between designations or suffixes.

Technical specifications

Bore d200 mm
Outside diameter D340 mm
Width B112 mm
Mass41.4 kg
Catalogue dynamic load Cr1190 kN
Catalogue static load Cor1850 kN
Grease-lubricated speed grease1900 rpm
Oil-lubricated speed oil2400 rpm
Mounting dimensions & additional parameters (7)
Abutment dimension Da Da320 mm
Abutment dimension db db218 mm
Minimum chamfer r12 r123 mm
Minimum chamfer r34 r343 mm
Maximum fillet ra ra2.5 mm
Maximum fillet rb rb2.5 mm
Roller envelope diameter Fw Fw233 mm

Fields without confirmed values are omitted. Final supply configuration and application suitability require technical confirmation.

Selection & installation

Which mounting dimensions are listed for NU3140M?

The NU3140M catalogue lists Da = 320 mm; ra ≤ 2.5 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 NU3140M?

The listed values for NU3140M are grease: 1900 rpm; oil: 2400 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 NU3140M?

The catalogue reference mass for NU3140M is 41.4 kg. Confirm the supplied assembly and packed shipment weight separately when planning handling or transport.

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