NACHI
3
3 × 6.5 × 6 mm
Load C
1.4 kN
Speed
48,000
Weight
0.001 kg

The NACHI HK0306 is a miniature size needle roller bearings with ISO dimensions 3×6.5×6 mm. Bearings in the 3mm 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. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 3 equivalent brands available under ISO designation HK0306.

NACHINeedle Roller BearingsPre-Order 3–5 Days

NACHI HK0306

Needle Roller Bearings3×6.5×6 mm — ISO HK0306

Dimensions
Bore Diameter (d)3 mm
Outside Diameter (D)6.5 mm
Width (B)6 mm
Dynamic Load Rating (C)1.4 kN
Static Load Rating (C₀)1 kN
Limiting Speed (grease)48,000 rpm
Mass0.001 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NACHI2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NACHI HK0306 per OEM catalog.

Bore Diameter (d)3 mm
Outside Diameter (D)6.5 mm
Width (B)6 mm
Dynamic Load Rating (C)1.4 kN
Static Load Rating (C₀)1 kN
Limiting Speed (grease)48,000 rpm
Mass0.001 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO HK0306 — interchangeable dimensions.

BrandPart Number
NACHIHK0306
ikoHK0306
nskHK0306
ntnHK0306
skfHK0306

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

Compare HK0306 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHIHK03063×6.5×61.41Current
IKOHK03063×6.5×61.5View
NSKHK03063×6.5×61.5View
NTNHK03063×6.5×61.5View
SKFHK03063×6.5×61.5View

FAQ — NACHI HK0306

Quick answers to common questions.

NACHI HK0306 có kích thước d×D×B = 3×6.5×6 mm theo tiêu chuẩn ISO. Đường kính trong d = 3 mm, đường kính ngoài D = 6.5 mm, chiều rộng B = 6 mm.

Common Applications

AutomotiveRobotics

Needle Roller Bearings with 3mm bore diameter are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines.

Need a Quote for NACHI HK0306?

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

NACHI HK0306
3×6.5×6 mm
Quote