NTN
⌀25
25 × 62 × 18.25 mm
Load C
50.5 kN
Speed
7,500
Weight
0.22 kg

The NTN 30305 is a small size tapered roller bearings with ISO dimensions 25×62×18.25 mm. Bearings in the 25mm 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. NTN Japan — Japanese technology, consistent quality, strong in automotive and machine tool bearings — 5 equivalent brands available under ISO designation 30305.

NTNTapered Roller BearingsPre-Order 3–5 Days

NTN 30305

Tapered Roller Bearings — 25×62×18.25 mm — ISO 30305

Dimensions
Bore Diameter (d)25 mm
Outside Diameter (D)62 mm
Width (B)18.25 mm
Dynamic Load Rating (C)50.5 kN
Static Load Rating (C₀)39.5 kN
Limiting Speed (grease)7,500 rpm
Mass0.22 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NTN2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NTN 30305 per OEM catalog.

Bore Diameter (d)25 mm
Outside Diameter (D)62 mm
Width (B)18.25 mm
Dynamic Load Rating (C)50.5 kN
Static Load Rating (C₀)39.5 kN
Limiting Speed (grease)7,500 rpm
Mass0.22 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 30305 — interchangeable dimensions.

BrandPart Number
NTN30305
fag30305
nsk30305
skf30305
koyo30305
nachi30305
timken30305

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

Compare 30305 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NTN3030525×62×18.2550.539.5Current
FAG3030525×62×18.2551.5—View
ZVL3030525×62×18.2550.5—View
SKF3030525×62×18.2550.5—View
NSK3030525×62×18.2550.5—View
Timken3030525×62×18.2551—View
Koyo3030525×62×18.2549.5—View
NACHI3030525×62×18.2550—View

FAQ — NTN 30305

Quick answers to common questions.

NTN 30305 có kích thước d×D×B = 25×62×18.25 mm theo tiêu chuẩn ISO. Đường kính trong d = 25 mm, đường kính ngoài D = 62 mm, chiều rộng B = 18.25 mm.

Common Applications

AutomotiveForklifts

Tapered Roller Bearings with 25mm bore diameter are commonly used in car wheel hubs, light truck gearboxes, forklift axles, differentials.

Need a Quote for NTN 30305?

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

NTN 30305
25×62×18.25 mm
Quote