NSK
20
20 × 47 × 18 mm
Load C
34 kN
Speed
8,500
Weight
0.13 kg

The NSK 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. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 6 equivalent brands available under ISO designation NJ2204.

NSKCylindrical Roller BearingsPre-Order 3–5 Days

NSK NJ2204

Cylindrical Roller Bearings20×47×18 mm — ISO NJ2204

Dimensions
Bore Diameter (d)20 mm
Outside Diameter (D)47 mm
Width (B)18 mm
Dynamic Load Rating (C)34 kN
Static Load Rating (C₀)28 kN
Limiting Speed (grease)8,500 rpm
Mass0.13 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK NJ2204 per OEM catalog.

Bore Diameter (d)20 mm
Outside Diameter (D)47 mm
Width (B)18 mm
Dynamic Load Rating (C)34 kN
Static Load Rating (C₀)28 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
NSKNJ2204
fagNJ2204
ntnNJ2204
skfNJ2204
zvlNJ2204
koyoNJ2204
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)
NSKNJ220420×47×183428Current
FAGNJ220420×47×1834.7View
KoyoNJ220420×47×1833.3View
NACHINJ220420×47×1833.7View
NTNNJ220420×47×1834View
SKFNJ220420×47×1834View
TimkenNJ220420×47×1834.3View
ZVLNJ220420×47×1834View

FAQ — NSK NJ2204

Quick answers to common questions.

NSK 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.

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NSK NJ2204
20×47×18 mm
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