NSK
20
20 × 42 × 12 mm
Load C
9.4 kN
Speed
18,000
Weight
0.07 kg

The NSK 6004 is a small size deep groove ball bearings with ISO dimensions 20×42×12 mm. Bearings in the 20mm bore range are commonly used in electric motors 0.37-5.5kW, water pumps, industrial fans, light conveyors (0.37-5.5kW range). 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 6004.

NSKDeep Groove Ball BearingsPre-Order 3–5 Days

NSK 6004

Deep Groove Ball Bearings20×42×12 mm — ISO 6004

Dimensions
Bore Diameter (d)20 mm
Outside Diameter (D)42 mm
Width (B)12 mm
Dynamic Load Rating (C)9.4 kN
Static Load Rating (C₀)5 kN
Limiting Speed (grease)18,000 rpm
Mass0.07 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK 6004 per OEM catalog.

Bore Diameter (d)20 mm
Outside Diameter (D)42 mm
Width (B)12 mm
Dynamic Load Rating (C)9.4 kN
Static Load Rating (C₀)5 kN
Limiting Speed (grease)18,000 rpm
Mass0.07 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6004 — interchangeable dimensions.

BrandPart Number
NSK6004
fag6004
ntn6004
skf6004
zvl6004
koyo6004
nachi6004
timken6004

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

Compare 6004 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSK600420×42×129.45Current
NSK6004ZZ20×42×129.4View
FAG600420×42×129.5View
FAG6004-2RSR20×42×129.5View
FAG6004-2Z20×42×129.5View
Koyo600420×42×129.2View
Koyo60042RS20×42×129.2View
Koyo6004ZZ20×42×129.2View
NACHI600420×42×129.3View

FAQ — NSK 6004

Quick answers to common questions.

NSK 6004 có kích thước d×D×B = 20×42×12 mm theo tiêu chuẩn ISO. Đường kính trong d = 20 mm, đường kính ngoài D = 42 mm, chiều rộng B = 12 mm.

Common Applications

ManufacturingHVAC

Deep Groove Ball Bearings with 20mm bore diameter are commonly used in electric motors 0.37-5.5kW, water pumps, industrial fans, light conveyors (0.37-5.5kW range).

Need a Quote for NSK 6004?

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

NSK 6004
20×42×12 mm
Quote