NACHI
40
40 × 80 × 18 mm
Load C
33.8 kN
Speed
7,500
Weight
0.38 kg

The NACHI 7208 is a standard size angular contact ball bearings with ISO dimensions 40×80×18 mm. Bearings in the 40mm bore range are commonly used in high-speed CNC spindles, industrial robots, grinding spindles. This is an open type, requires periodic lubrication, suitable for clean environments variant. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 5 equivalent brands available under ISO designation 7208.

NACHIAngular Contact Ball BearingsPre-Order 3–5 Days

NACHI 7208

Angular Contact Ball Bearings40×80×18 mm — ISO 7208

Dimensions
Bore Diameter (d)40 mm
Outside Diameter (D)80 mm
Width (B)18 mm
Dynamic Load Rating (C)33.8 kN
Static Load Rating (C₀)19.4 kN
Limiting Speed (grease)7,500 rpm
Mass0.38 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NACHI2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NACHI 7208 per OEM catalog.

Bore Diameter (d)40 mm
Outside Diameter (D)80 mm
Width (B)18 mm
Dynamic Load Rating (C)33.8 kN
Static Load Rating (C₀)19.4 kN
Limiting Speed (grease)7,500 rpm
Mass0.38 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 7208 — interchangeable dimensions.

BrandPart Number
NACHI7208
fag7208
nsk7208
ntn7208
skf7208
zvl7208
koyo7208

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

Compare 7208 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHI720840×80×1833.819.4Current
FAG720840×80×1834.8View
Koyo720840×80×1833.4View
NSK720840×80×1834.1View
NTN720840×80×1834.1View
SKF720840×80×1834.1View
ZVL720840×80×1834.1View

FAQ — NACHI 7208

Quick answers to common questions.

NACHI 7208 có kích thước d×D×B = 40×80×18 mm theo tiêu chuẩn ISO. Đường kính trong d = 40 mm, đường kính ngoài D = 80 mm, chiều rộng B = 18 mm.

Common Applications

CNCAutomation

Angular Contact Ball Bearings with 40mm bore diameter are commonly used in high-speed CNC spindles, industrial robots, grinding spindles.

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NACHI 7208
40×80×18 mm
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