Koyo
260
260 × 400 × 65 mm
Load C
264.6 kN
Speed
1,300
Weight
15.5 kg

The Koyo 6052ZZ 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 double shielded (ZZ), effective dust prevention while allowing grease replenishment variant. Koyo (JTEKT) Japan — OEM automotive bearings for Toyota, Honda, Japanese quality competitive pricing — 6 equivalent brands available under ISO designation 6052.

KoyoDeep Groove Ball BearingsPre-Order 3–5 Days

Koyo 6052ZZ

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)264.6 kN
Static Load Rating (C₀)279.3 kN
Limiting Speed (grease)1,300 rpm
Mass15.5 kg
Seal TypeDouble Shielded
ClearanceCN
Precision ClassP0
Genuine Koyo2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for Koyo 6052ZZ per OEM catalog.

Bore Diameter (d)260 mm
Outside Diameter (D)400 mm
Width (B)65 mm
Dynamic Load Rating (C)264.6 kN
Static Load Rating (C₀)279.3 kN
Limiting Speed (grease)1,300 rpm
Mass15.5 kg
Seal TypeDouble Shielded
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6052 — interchangeable dimensions.

BrandPart Number
Koyo6052ZZ
fag6052-2Z
nsk6052ZZ
ntn6052ZZ
skf6052-2Z
zvl6052-2ZR
nachi6052ZZE
timken6052-2Z

* 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)
Koyo6052ZZ260×400×65264.6279.3Current
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
NACHI6052260×400×65267.3View
NACHI60522NSLE260×400×65267.3View

FAQ — Koyo 6052ZZ

Quick answers to common questions.

Koyo 6052ZZ 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).

Need a Quote for Koyo 6052ZZ?

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

Koyo 6052ZZ
260×400×65 mm
Quote