Koyo
⌀20
20 × 47 × 15.25 mm
Load C
29.4 kN
Speed
10,000
Weight
0.1 kg

The Koyo 30204 is a small size tapered roller bearings with ISO dimensions 20×47×15.25 mm. Bearings in the 20mm bore range are commonly used in car wheel hubs, light truck gearboxes, forklift axles, differentials. 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 — 5 equivalent brands available under ISO designation 30204.

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Koyo 30204

Tapered Roller Bearings — 20×47×15.25 mm — ISO 30204

Dimensions
Bore Diameter (d)20 mm
Outside Diameter (D)47 mm
Width (B)15.25 mm
Dynamic Load Rating (C)29.4 kN
Static Load Rating (C₀)23.5 kN
Limiting Speed (grease)10,000 rpm
Mass0.1 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for Koyo 30204 per OEM catalog.

Bore Diameter (d)20 mm
Outside Diameter (D)47 mm
Width (B)15.25 mm
Dynamic Load Rating (C)29.4 kN
Static Load Rating (C₀)23.5 kN
Limiting Speed (grease)10,000 rpm
Mass0.1 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 30204 — interchangeable dimensions.

BrandPart Number
Koyo30204
fag30204
nsk30204
ntn30204
skf30204
nachi30204
timken30204

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

Compare 30204 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
Koyo3020420×47×15.2529.423.5Current
FAG3020420×47×15.2530.6—View
ZVL3020420×47×15.2530—View
SKF3020420×47×15.2530—View
NTN3020420×47×15.2530—View
NSK3020420×47×15.2530—View
Timken3020420×47×15.2530.3—View
NACHI3020420×47×15.2529.7—View

FAQ — Koyo 30204

Quick answers to common questions.

Koyo 30204 có kích thước d×D×B = 20×47×15.25 mm theo tiêu chuẩn ISO. Đường kính trong d = 20 mm, đường kính ngoài D = 47 mm, chiều rộng B = 15.25 mm.

Common Applications

AutomotiveForklifts

Tapered Roller Bearings with 20mm bore diameter are commonly used in car wheel hubs, light truck gearboxes, forklift axles, differentials.

Learn More

Tapered Roller Bearings: Construction, Pair Mounting & Clearance Adjustment

A tapered roller bearing uses conical rollers to handle heavy combined radial and axial loads through contact angles of 10°–30°. This guide covers cone/cup construction, O/X pair mounting, preload adjustment — sourced from Timken, SKF, ZVL catalogs and ISO 355.

Explore More

Type
All Tapered Roller Bearings
Brand
Koyo Bearings
Combined
Koyo
Catalog
15,800+ Products

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Koyo 30204
20×47×15.25 mm
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