Koyo
⌀40
40 × 80 × 18 mm
Load C
33.4 kN
Speed
7,500
Weight
0.38 kg

The Koyo 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. Koyo (JTEKT) Japan — OEM automotive bearings for Toyota, Honda, Japanese quality competitive pricing — 5 equivalent brands available under ISO designation 7208.

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Koyo 7208

Angular Contact Ball Bearings — 40×80×18 mm — ISO 7208

Dimensions
Bore Diameter (d)40 mm
Outside Diameter (D)80 mm
Width (B)18 mm
Dynamic Load Rating (C)33.4 kN
Static Load Rating (C₀)19.2 kN
Limiting Speed (grease)7,500 rpm
Mass0.38 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for Koyo 7208 per OEM catalog.

Bore Diameter (d)40 mm
Outside Diameter (D)80 mm
Width (B)18 mm
Dynamic Load Rating (C)33.4 kN
Static Load Rating (C₀)19.2 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
Koyo7208
fag7208
nsk7208
ntn7208
skf7208
zvl7208
nachi7208

* 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)
Koyo720840×80×1833.419.2Current
FAG720840×80×1834.8—View
NACHI720840×80×1833.8—View
NSK720840×80×1834.1—View
NTN720840×80×1834.1—View
SKF720840×80×1834.1—View
ZVL720840×80×1834.1—View

FAQ — Koyo 7208

Quick answers to common questions.

Koyo 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.

Learn More

Angular Contact Bearings: Contact Angles, DB/DF/DT & CNC Spindle Guide

Angular contact ball bearings handle combined radial and axial loads through 15°–40° contact angles, reaching 40,000+ rpm with oil-air lubrication in P4/P2 class CNC spindles.

Explore More

Type
All Angular Contact Ball Bearings
Brand
Koyo Bearings
Combined
Koyo
Catalog
15,800+ Products

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Koyo 7208
40×80×18 mm
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