NTN
5
5 × 9 × 9 mm
Load C
3.3 kN
Speed
38,000
Weight
0.002 kg

The NTN HK0509 is a miniature size needle roller bearings with ISO dimensions 5×9×9 mm. Bearings in the 5mm bore range are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines. 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 — 3 equivalent brands available under ISO designation HK0509.

NTNNeedle Roller BearingsPre-Order 3–5 Days

NTN HK0509

Needle Roller Bearings5×9×9 mm — ISO HK0509

Dimensions
Bore Diameter (d)5 mm
Outside Diameter (D)9 mm
Width (B)9 mm
Dynamic Load Rating (C)3.3 kN
Static Load Rating (C₀)2.5 kN
Limiting Speed (grease)38,000 rpm
Mass0.002 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NTN2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NTN HK0509 per OEM catalog.

Bore Diameter (d)5 mm
Outside Diameter (D)9 mm
Width (B)9 mm
Dynamic Load Rating (C)3.3 kN
Static Load Rating (C₀)2.5 kN
Limiting Speed (grease)38,000 rpm
Mass0.002 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO HK0509 — interchangeable dimensions.

BrandPart Number
NTNHK0509
ikoHK0509
nskHK0509
skfHK0509
nachiHK0509

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

Compare HK0509 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NTNHK05095×9×93.32.5Current
IKOHK05095×9×93.3View
NACHIHK05095×9×93.3View
NSKHK05095×9×93.3View
SKFHK05095×9×93.3View

FAQ — NTN HK0509

Quick answers to common questions.

NTN HK0509 có kích thước d×D×B = 5×9×9 mm theo tiêu chuẩn ISO. Đường kính trong d = 5 mm, đường kính ngoài D = 9 mm, chiều rộng B = 9 mm.

Common Applications

AutomotiveRobotics

Needle Roller Bearings with 5mm bore diameter are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines.

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NTN HK0509
5×9×9 mm
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