NTN
9
9 × 13 × 8 mm
Load C
4.5 kN
Speed
30,000
Weight
0.003 kg

The NTN HK0908 is a miniature size needle roller bearings with ISO dimensions 9×13×8 mm. Bearings in the 9mm 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 HK0908.

NTNNeedle Roller BearingsPre-Order 3–5 Days

NTN HK0908

Needle Roller Bearings9×13×8 mm — ISO HK0908

Dimensions
Bore Diameter (d)9 mm
Outside Diameter (D)13 mm
Width (B)8 mm
Dynamic Load Rating (C)4.5 kN
Static Load Rating (C₀)3.9 kN
Limiting Speed (grease)30,000 rpm
Mass0.003 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NTN2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NTN HK0908 per OEM catalog.

Bore Diameter (d)9 mm
Outside Diameter (D)13 mm
Width (B)8 mm
Dynamic Load Rating (C)4.5 kN
Static Load Rating (C₀)3.9 kN
Limiting Speed (grease)30,000 rpm
Mass0.003 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO HK0908 — interchangeable dimensions.

BrandPart Number
NTNHK0908
ikoHK0908
nskHK0908
skfHK0908
nachiHK0908

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

Compare HK0908 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NTNHK09089×13×84.53.9Current
IKOHK09089×13×84.5View
NACHIHK09089×13×84.5View
NSKHK09089×13×84.5View
SKFHK09089×13×84.5View

FAQ — NTN HK0908

Quick answers to common questions.

NTN HK0908 có kích thước d×D×B = 9×13×8 mm theo tiêu chuẩn ISO. Đường kính trong d = 9 mm, đường kính ngoài D = 13 mm, chiều rộng B = 8 mm.

Common Applications

AutomotiveRobotics

Needle Roller Bearings with 9mm bore diameter are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines.

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NTN HK0908
9×13×8 mm
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