NNU3056 Cylindrical Roller Bearing

Data source: Multi-source Standard Bearing Catalog · Brand identifiers removed, RAYSDE + bearing type retained
Bore d (mm)
280
Outer D (mm)
420
Width B (mm)
106
Overall width T (mm)
Confirm per drawing/order
Outer ring width C (mm)
Confirm per drawing/order
Height H (mm)
Confirm per drawing/order
Dynamic load Cr (kN)
1110
Static load Cor (kN)
2150
Grease speed limit (r/min)
1100
Oil speed limit (r/min)
1400

Engineering Drawing

NNU3056 Cylindrical Roller Bearing engineering drawing

For high-precision CAD/DXF/PDF drawings, contact us.

Frequently Asked Questions / FAQ

Is RAYSDE NNU3056 available, and what is the MOQ?

NNU3056 is supplied directly from the RAYSDE factory, with both stock and build-to-order options. Standard-part MOQ is tiered by bore: ≤50mm:500 pcs / 51–100mm:100 pcs / 101–300mm:20 pcs / >300mm:4 pcs; non-standard items are quoted per drawing. Send an inquiry for formal pricing and lead time.

What are the technical specifications of RAYSDE NNU3056?

Key parameters of the NNU3056 Cylindrical Roller Bearing: bore d=280mm, outer D=420mm, width B=106mm, dynamic load Cr=1110kN, static load Cor=2150kN. For the full dimension table, load and speed data, and CAD drawings, please contact RAYSDE.

Which industries and equipment use the NNU3056 Cylindrical Roller Bearing?

It is widely used across motors, gearboxes, machine tools in various rotating and power-transmission applications, making it a versatile bearing choice.

What are the advantages of RAYSDE NNU3056 versus imported brands?

As a factory-direct source, RAYSDE offers NNU3056 at competitive ex-works pricing with shorter lead times than comparable imported brands, plus non-standard customization and OEM support. Certified to ISO 9001:2015, with 3.1 material certificates available.

Can you provide engineering drawings and material certificates for NNU3056?

Yes—CAD/DXF/PDF high-precision drawings and 3.1 material certificates (GCr15 bearing steel) for NNU3056 are available on request from RAYSDE.

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