NACHI
260
260 × 400 × 65 mm
Load C
267.3 kN
Speed
1,300
Weight
15.5 kg

The NACHI 6052 is a extra-large size deep groove ball bearings with ISO dimensions 260×400×65 mm. Bearings in the 260mm 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 6052.

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NACHI 6052

Deep Groove Ball Bearings260×400×65 mm — ISO 6052

Dimensions
Bore Diameter (d)260 mm
Outside Diameter (D)400 mm
Width (B)65 mm
Dynamic Load Rating (C)267.3 kN
Static Load Rating (C₀)282.1 kN
Limiting Speed (grease)1,300 rpm
Mass15.5 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for NACHI 6052 per OEM catalog.

Bore Diameter (d)260 mm
Outside Diameter (D)400 mm
Width (B)65 mm
Dynamic Load Rating (C)267.3 kN
Static Load Rating (C₀)282.1 kN
Limiting Speed (grease)1,300 rpm
Mass15.5 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6052 — interchangeable dimensions.

BrandPart Number
NACHI6052
fag6052
nsk6052
ntn6052
skf6052
zvl6052
koyo6052
timken6052

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

Compare 6052 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHI6052260×400×65267.3282.1Current
Koyo6052260×400×65264.6View
ZVL6052260×400×65270View
FAG6052260×400×65275.4View
FAG6052-2RSR260×400×65275.4View
FAG6052-2Z260×400×65275.4View
Koyo60522RS260×400×65264.6View
Koyo6052ZZ260×400×65264.6View
NACHI60522NSLE260×400×65267.3View

FAQ — NACHI 6052

Quick answers to common questions.

NACHI 6052 có kích thước d×D×B = 260×400×65 mm theo tiêu chuẩn ISO. Đường kính trong d = 260 mm, đường kính ngoài D = 400 mm, chiều rộng B = 65 mm.

Common Applications

Power generationMining

Deep Groove Ball Bearings with 260mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).

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NACHI 6052
260×400×65 mm
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