NACHI
8
8 × 15 × 12 mm
Load C
6.3 kN
Speed
28,000
Weight
0.007 kg

The NACHI NK8/12 is a miniature size needle roller bearings with ISO dimensions 8×15×12 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. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 3 equivalent brands available under ISO designation NK8/12.

NACHINeedle Roller BearingsPre-Order 3–5 Days

NACHI NK8/12

Needle Roller Bearings8×15×12 mm — ISO NK8/12

Dimensions
Bore Diameter (d)8 mm
Outside Diameter (D)15 mm
Width (B)12 mm
Dynamic Load Rating (C)6.3 kN
Static Load Rating (C₀)7.4 kN
Limiting Speed (grease)28,000 rpm
Mass0.007 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for NACHI NK8/12 per OEM catalog.

Bore Diameter (d)8 mm
Outside Diameter (D)15 mm
Width (B)12 mm
Dynamic Load Rating (C)6.3 kN
Static Load Rating (C₀)7.4 kN
Limiting Speed (grease)28,000 rpm
Mass0.007 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO NK8/12 — interchangeable dimensions.

BrandPart Number
NACHINK8/12
ikoNK8/12
nskNK8/12
ntnNK8/12
skfNK8/12

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

Compare NK8/12 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHINK8/128×15×126.37.4Current
IKONK8/128×15×126.4View
NSKNK8/128×15×126.4View
NTNNK8/128×15×126.4View
SKFNK8/128×15×126.4View

FAQ — NACHI NK8/12

Quick answers to common questions.

NACHI NK8/12 có kích thước d×D×B = 8×15×12 mm theo tiêu chuẩn ISO. Đường kính trong d = 8 mm, đường kính ngoài D = 15 mm, chiều rộng B = 12 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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NACHI NK8/12
8×15×12 mm
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