Manufactured by CHG Bearing, the NNU3140/P5 is a precision Double Row Cylindrical Roller Bearings. Key dimensional parameters include a 200 mm bore diameter, a 340 mm outer diameter, and a 112 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

NNU3140/P5 - Double Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NNU3140/P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 200 mm |
| Width (B) | 112 mm |
| Outer Diameter (D) | 340 mm |
| Bore Diameter Tolerance | -0.015 – 0 mm |
| Outside Diameter Tolerance | -0.020 – 0 mm |
| Width Tolerance | -0.40 – 0 mm |
| Enveloping Circle Diameter Fw | 240 mm |
| Inner Ring Chamfer | 3 min mm |
| Outer Ring Chamfer | 3 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 960 kN |
| Basic Static Load Rating C0 (kN) | 1640 kN |
| Material | |
| Mass (kg) | 42 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
NNU3140/P5 340 mm 200 mm 240 mm 112 mm Frequently Asked Questions about NNU3140/P5 Double Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing NNU3140/P5 Double Row Cylindrical Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
To match diverse operational dynamics, CHG Bearing supplies NNU3140/P5 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Absolutely. The CHG Bearing NNU3140/P5 Double Row Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF NNU3140/P5, FAG NNU3140/P5, NSK NNU3140/P5. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Engineered according to international ISO boundary plans, CHG Bearing supplies NNU3140/P5 with a precision bore diameter (d) of 200 mm, an outside diameter (D) of 340 mm, and a nominal ring width (B) of 112 mm. This configuration yields an effective cross-sectional wall thickness of 70.0 mm and an envelope ratio (D/d) of 1.7, delivering compact rigidity for OEM machinery housings.
