Koyo
⌀20
20 × 47 × 18 mm
Load C
33.3 kN
Speed
8,500
Weight
0.13 kg

The Koyo NJ2204 is a small size cylindrical roller bearings with ISO dimensions 20×47×18 mm. Bearings in the 20mm bore range are commonly used in lathe spindles, gearboxes, printing rollers, cold rolling mills. 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 — 6 equivalent brands available under ISO designation NJ2204.

KoyoCylindrical Roller BearingsPre-Order 3–5 Days

Koyo NJ2204

Cylindrical Roller Bearings — 20×47×18 mm — ISO NJ2204

Dimensions
Bore Diameter (d)20 mm
Outside Diameter (D)47 mm
Width (B)18 mm
Dynamic Load Rating (C)33.3 kN
Static Load Rating (C₀)27.4 kN
Limiting Speed (grease)8,500 rpm
Mass0.13 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Call to OrderZalo Quote
Genuine Koyo2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for Koyo NJ2204 per OEM catalog.

Bore Diameter (d)20 mm
Outside Diameter (D)47 mm
Width (B)18 mm
Dynamic Load Rating (C)33.3 kN
Static Load Rating (C₀)27.4 kN
Limiting Speed (grease)8,500 rpm
Mass0.13 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO NJ2204 — interchangeable dimensions.

BrandPart Number
KoyoNJ2204
fagNJ2204
nskNJ2204
ntnNJ2204
skfNJ2204
zvlNJ2204
nachiNJ2204
timkenNJ2204

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

Compare NJ2204 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
KoyoNJ220420×47×1833.327.4Current
FAGNJ220420×47×1834.7—View
NACHINJ220420×47×1833.7—View
NSKNJ220420×47×1834—View
NTNNJ220420×47×1834—View
SKFNJ220420×47×1834—View
TimkenNJ220420×47×1834.3—View
ZVLNJ220420×47×1834—View

FAQ — Koyo NJ2204

Quick answers to common questions.

Koyo NJ2204 có kích thước d×D×B = 20×47×18 mm theo tiêu chuẩn ISO. Đường kính trong d = 20 mm, đường kính ngoài D = 47 mm, chiều rộng B = 18 mm.

Common Applications

Machine toolsPrinting

Cylindrical Roller Bearings with 20mm bore diameter are commonly used in lathe spindles, gearboxes, printing rollers, cold rolling mills.

Learn More

Cylindrical Roller Bearings: Construction, NU/NJ/NUP Types & Heavy-Load Uses

Cylindrical roller bearings use cylindrical rollers to carry radial loads 2–3 times higher than deep groove ball bearings of equal size. This guide covers all 5 types — NU, NJ, NUP, N, NF

Explore More

Type
All Cylindrical Roller Bearings
Brand
Koyo Bearings
Combined
Koyo
Catalog
15,800+ Products

Need a Quote for Koyo NJ2204?

Engineers ready for bearing selection, cross-reference, and same-day quotation.

Get a QuoteTechnical Knowledge
Koyo NJ2204
20×47×18 mm
Quote