Koyo
340
340 × 520 × 82 mm
Load C
387.1 kN
Speed
950
Weight
31.5 kg

The Koyo 6068 is a extra-large size deep groove ball bearings with ISO dimensions 340×520×82 mm. Bearings in the 340mm 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. Koyo (JTEKT) Japan — OEM automotive bearings for Toyota, Honda, Japanese quality competitive pricing — 6 equivalent brands available under ISO designation 6068.

KoyoDeep Groove Ball BearingsPre-Order 3–5 Days

Koyo 6068

Deep Groove Ball Bearings340×520×82 mm — ISO 6068

Dimensions
Bore Diameter (d)340 mm
Outside Diameter (D)520 mm
Width (B)82 mm
Dynamic Load Rating (C)387.1 kN
Static Load Rating (C₀)455.7 kN
Limiting Speed (grease)950 rpm
Mass31.5 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine Koyo2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for Koyo 6068 per OEM catalog.

Bore Diameter (d)340 mm
Outside Diameter (D)520 mm
Width (B)82 mm
Dynamic Load Rating (C)387.1 kN
Static Load Rating (C₀)455.7 kN
Limiting Speed (grease)950 rpm
Mass31.5 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6068 — interchangeable dimensions.

BrandPart Number
Koyo6068
fag6068
nsk6068
ntn6068
skf6068
zvl6068
nachi6068
timken6068

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

Compare 6068 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
Koyo6068340×520×82387.1455.7Current
Timken6068340×520×82398.9View
ZVL6068340×520×82395View
FAG6068340×520×82402.9View
FAG6068-2RSR340×520×82402.9View
FAG6068-2Z340×520×82402.9View
Koyo60682RS340×520×82387.1View
Koyo6068ZZ340×520×82387.1View
NACHI6068340×520×82391.1View

FAQ — Koyo 6068

Quick answers to common questions.

Koyo 6068 có kích thước d×D×B = 340×520×82 mm theo tiêu chuẩn ISO. Đường kính trong d = 340 mm, đường kính ngoài D = 520 mm, chiều rộng B = 82 mm.

Common Applications

Power generationMining

Deep Groove Ball Bearings with 340mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).

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Koyo 6068
340×520×82 mm
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