NSK
8
8 × 12 × 8 mm
Load C
4.2 kN
Speed
32,000
Weight
0.002 kg

The NSK HK0808 is a miniature size needle roller bearings with ISO dimensions 8×12×8 mm. Bearings in the 8mm 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. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 3 equivalent brands available under ISO designation HK0808.

NSKNeedle Roller BearingsPre-Order 3–5 Days

NSK HK0808

Needle Roller Bearings8×12×8 mm — ISO HK0808

Dimensions
Bore Diameter (d)8 mm
Outside Diameter (D)12 mm
Width (B)8 mm
Dynamic Load Rating (C)4.2 kN
Static Load Rating (C₀)3.6 kN
Limiting Speed (grease)32,000 rpm
Mass0.002 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK HK0808 per OEM catalog.

Bore Diameter (d)8 mm
Outside Diameter (D)12 mm
Width (B)8 mm
Dynamic Load Rating (C)4.2 kN
Static Load Rating (C₀)3.6 kN
Limiting Speed (grease)32,000 rpm
Mass0.002 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO HK0808 — interchangeable dimensions.

BrandPart Number
NSKHK0808
ikoHK0808
ntnHK0808
skfHK0808
nachiHK0808

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

Compare HK0808 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSKHK08088×12×84.23.6Current
IKOHK08088×12×84.2View
NACHIHK08088×12×84.2View
NTNHK08088×12×84.2View
SKFHK08088×12×84.2View

FAQ — NSK HK0808

Quick answers to common questions.

NSK HK0808 có kích thước d×D×B = 8×12×8 mm theo tiêu chuẩn ISO. Đường kính trong d = 8 mm, đường kính ngoài D = 12 mm, chiều rộng B = 8 mm.

Common Applications

AutomotiveRobotics

Needle Roller Bearings with 8mm bore diameter are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines.

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NSK HK0808
8×12×8 mm
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