NSK
280
280 × 420 × 65 mm
Load C
276 kN
Speed
1,200
Weight
16.5 kg

The NSK 6056 is a extra-large size deep groove ball bearings with ISO dimensions 280×420×65 mm. Bearings in the 280mm bore range are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range). This is an open type, requires periodic lubrication, suitable for clean environments variant. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 6 equivalent brands available under ISO designation 6056.

NSKDeep Groove Ball BearingsPre-Order 3–5 Days

NSK 6056

Deep Groove Ball Bearings280×420×65 mm — ISO 6056

Dimensions
Bore Diameter (d)280 mm
Outside Diameter (D)420 mm
Width (B)65 mm
Dynamic Load Rating (C)276 kN
Static Load Rating (C₀)300 kN
Limiting Speed (grease)1,200 rpm
Mass16.5 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK 6056 per OEM catalog.

Bore Diameter (d)280 mm
Outside Diameter (D)420 mm
Width (B)65 mm
Dynamic Load Rating (C)276 kN
Static Load Rating (C₀)300 kN
Limiting Speed (grease)1,200 rpm
Mass16.5 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6056 — interchangeable dimensions.

BrandPart Number
NSK6056
fag6056
ntn6056
skf6056
zvl6056
koyo6056
nachi6056
timken6056

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

Compare 6056 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSK6056280×420×65276300Current
FAG6056280×420×65281.5View
FAG6056-2RSR280×420×65281.5View
FAG6056-2Z280×420×65281.5View
Koyo6056280×420×65270.5View
Koyo60562RS280×420×65270.5View
Koyo6056ZZ280×420×65270.5View
NACHI6056280×420×65273.2View
NACHI60562NSLE280×420×65273.2View

FAQ — NSK 6056

Quick answers to common questions.

NSK 6056 có kích thước d×D×B = 280×420×65 mm theo tiêu chuẩn ISO. Đường kính trong d = 280 mm, đường kính ngoài D = 420 mm, chiều rộng B = 65 mm.

Common Applications

Power generationMining

Deep Groove Ball Bearings with 280mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).

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NSK 6056
280×420×65 mm
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