NSK
400
400 × 600 × 90 mm
Load C
475 kN
Speed
800
Weight
44 kg

The NSK 6080DDU is a extra-large size deep groove ball bearings with ISO dimensions 400×600×90 mm. Bearings in the 400mm bore range are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range). This is an double sealed (2RS), maintenance-free lubrication, ideal for harsh environments variant. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 6 equivalent brands available under ISO designation 6080.

NSKDeep Groove Ball BearingsPre-Order 3–5 Days

NSK 6080DDU

Deep Groove Ball Bearings400×600×90 mm — ISO 6080

Dimensions
Bore Diameter (d)400 mm
Outside Diameter (D)600 mm
Width (B)90 mm
Dynamic Load Rating (C)475 kN
Static Load Rating (C₀)600 kN
Limiting Speed (grease)800 rpm
Mass44 kg
Seal TypeDouble Sealed
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK 6080DDU per OEM catalog.

Bore Diameter (d)400 mm
Outside Diameter (D)600 mm
Width (B)90 mm
Dynamic Load Rating (C)475 kN
Static Load Rating (C₀)600 kN
Limiting Speed (grease)800 rpm
Mass44 kg
Seal TypeDouble Sealed
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6080 — interchangeable dimensions.

BrandPart Number
NSK6080DDU
fag6080-2RSR
ntn6080LLU
skf6080-2RS1
zvl6080-2RSR
koyo60802RS
nachi60802NSLE
timken6080-2RS

* C/C₀ may vary ±5% across manufacturers.

Compare 6080 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSK6080DDU400×600×90475600Current
Timken6080400×600×90479.8View
FAG6080400×600×90484.5View
FAG6080-2RSR400×600×90484.5View
FAG6080-2Z400×600×90484.5View
Koyo6080400×600×90465.5View
Koyo60802RS400×600×90465.5View
Koyo6080ZZ400×600×90465.5View
NACHI6080400×600×90470.2View

FAQ — NSK 6080DDU

Quick answers to common questions.

NSK 6080DDU có kích thước d×D×B = 400×600×90 mm theo tiêu chuẩn ISO. Đường kính trong d = 400 mm, đường kính ngoài D = 600 mm, chiều rộng B = 90 mm.

Common Applications

Power generationMining

Deep Groove Ball Bearings with 400mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).

Need a Quote for NSK 6080DDU?

Engineers ready for bearing selection, cross-reference, and same-day quotation.

NSK 6080DDU
400×600×90 mm
Quote