NACHI
7
7 × 11 × 9 mm
Load C
4 kN
Speed
34,000
Weight
0.002 kg

The NACHI HK0709 is a miniature size needle roller bearings with ISO dimensions 7×11×9 mm. Bearings in the 7mm 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 HK0709.

NACHINeedle Roller BearingsPre-Order 3–5 Days

NACHI HK0709

Needle Roller Bearings7×11×9 mm — ISO HK0709

Dimensions
Bore Diameter (d)7 mm
Outside Diameter (D)11 mm
Width (B)9 mm
Dynamic Load Rating (C)4 kN
Static Load Rating (C₀)3.3 kN
Limiting Speed (grease)34,000 rpm
Mass0.002 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NACHI2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NACHI HK0709 per OEM catalog.

Bore Diameter (d)7 mm
Outside Diameter (D)11 mm
Width (B)9 mm
Dynamic Load Rating (C)4 kN
Static Load Rating (C₀)3.3 kN
Limiting Speed (grease)34,000 rpm
Mass0.002 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO HK0709 — interchangeable dimensions.

BrandPart Number
NACHIHK0709
ikoHK0709
nskHK0709
ntnHK0709
skfHK0709

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

Compare HK0709 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHIHK07097×11×943.3Current
IKOHK07097×11×94View
NSKHK07097×11×94View
NTNHK07097×11×94View
SKFHK07097×11×94View

FAQ — NACHI HK0709

Quick answers to common questions.

NACHI HK0709 có kích thước d×D×B = 7×11×9 mm theo tiêu chuẩn ISO. Đường kính trong d = 7 mm, đường kính ngoài D = 11 mm, chiều rộng B = 9 mm.

Common Applications

AutomotiveRobotics

Needle Roller Bearings with 7mm bore diameter are commonly used in automatic car transmissions, universal joints, industrial robots, sewing machines.

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NACHI HK0709
7×11×9 mm
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