NACHI
320
320 × 480 × 74 mm
Load C
336.6 kN
Speed
1,000
Weight
24 kg

The NACHI 6064 is a extra-large size deep groove ball bearings with ISO dimensions 320×480×74 mm. Bearings in the 320mm 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. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 6 equivalent brands available under ISO designation 6064.

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NACHI 6064

Deep Groove Ball Bearings320×480×74 mm — ISO 6064

Dimensions
Bore Diameter (d)320 mm
Outside Diameter (D)480 mm
Width (B)74 mm
Dynamic Load Rating (C)336.6 kN
Static Load Rating (C₀)386.1 kN
Limiting Speed (grease)1,000 rpm
Mass24 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for NACHI 6064 per OEM catalog.

Bore Diameter (d)320 mm
Outside Diameter (D)480 mm
Width (B)74 mm
Dynamic Load Rating (C)336.6 kN
Static Load Rating (C₀)386.1 kN
Limiting Speed (grease)1,000 rpm
Mass24 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6064 — interchangeable dimensions.

BrandPart Number
NACHI6064
fag6064
nsk6064
ntn6064
skf6064
zvl6064
koyo6064
timken6064

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

Compare 6064 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHI6064320×480×74336.6386.1Current
SKF6064320×480×74340View
FAG6064320×480×74346.8View
FAG6064-2RSR320×480×74346.8View
FAG6064-2Z320×480×74346.8View
Koyo6064320×480×74333.2View
Koyo60642RS320×480×74333.2View
Koyo6064ZZ320×480×74333.2View
NACHI60642NSLE320×480×74336.6View

FAQ — NACHI 6064

Quick answers to common questions.

NACHI 6064 có kích thước d×D×B = 320×480×74 mm theo tiêu chuẩn ISO. Đường kính trong d = 320 mm, đường kính ngoài D = 480 mm, chiều rộng B = 74 mm.

Common Applications

Power generationMining

Deep Groove Ball Bearings with 320mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).

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NACHI 6064
320×480×74 mm
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