Koyo
⌀50
50 × 90 × 20 mm
Load C
38.9 kN
Speed
6,700
Weight
0.45 kg

The Koyo 7210 is a standard size angular contact ball bearings with ISO dimensions 50×90×20 mm. Bearings in the 50mm bore range are commonly used in milling spindles, CNC lathes, vertical pumps, ball screws. 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 7210.

KoyoAngular Contact Ball BearingsPre-Order 3–5 Days

Koyo 7210

Angular Contact Ball Bearings — 50×90×20 mm — ISO 7210

Dimensions
Bore Diameter (d)50 mm
Outside Diameter (D)90 mm
Width (B)20 mm
Dynamic Load Rating (C)38.9 kN
Static Load Rating (C₀)24 kN
Limiting Speed (grease)6,700 rpm
Mass0.45 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for Koyo 7210 per OEM catalog.

Bore Diameter (d)50 mm
Outside Diameter (D)90 mm
Width (B)20 mm
Dynamic Load Rating (C)38.9 kN
Static Load Rating (C₀)24 kN
Limiting Speed (grease)6,700 rpm
Mass0.45 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 7210 — interchangeable dimensions.

BrandPart Number
Koyo7210
fag7210
nsk7210
ntn7210
skf7210
zvl7210
nachi7210

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

Compare 7210 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
Koyo721050×90×2038.924Current
NACHI721050×90×2039.3—View
FAG721050×90×2040.5—View
NSK721050×90×2039.7—View
NTN721050×90×2039.7—View
SKF721050×90×2039.7—View
ZVL721050×90×2039.7—View

FAQ — Koyo 7210

Quick answers to common questions.

Koyo 7210 có kích thước d×D×B = 50×90×20 mm theo tiêu chuẩn ISO. Đường kính trong d = 50 mm, đường kính ngoài D = 90 mm, chiều rộng B = 20 mm.

Common Applications

Machine toolsPumps

Angular Contact Ball Bearings with 50mm bore diameter are commonly used in milling spindles, CNC lathes, vertical pumps, ball screws.

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 7210
50×90×20 mm
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