NSK
55
55 × 90 × 18 mm
Load C
28.6 kN
Speed
8,500
Weight
0.35 kg

The NSK 6011ZZ is a standard size deep groove ball bearings with ISO dimensions 55×90×18 mm. Bearings in the 55mm bore range are commonly used in motors 5.5-37kW, centrifugal pumps, air compressors, industrial gearboxes (5.5-37kW range). This is an double shielded (ZZ), effective dust prevention while allowing grease replenishment variant. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 6 equivalent brands available under ISO designation 6011.

NSKDeep Groove Ball BearingsPre-Order 3–5 Days

NSK 6011ZZ

Deep Groove Ball Bearings55×90×18 mm — ISO 6011

Dimensions
Bore Diameter (d)55 mm
Outside Diameter (D)90 mm
Width (B)18 mm
Dynamic Load Rating (C)28.6 kN
Static Load Rating (C₀)20 kN
Limiting Speed (grease)8,500 rpm
Mass0.35 kg
Seal TypeDouble Shielded
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for NSK 6011ZZ per OEM catalog.

Bore Diameter (d)55 mm
Outside Diameter (D)90 mm
Width (B)18 mm
Dynamic Load Rating (C)28.6 kN
Static Load Rating (C₀)20 kN
Limiting Speed (grease)8,500 rpm
Mass0.35 kg
Seal TypeDouble Shielded
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6011 — interchangeable dimensions.

BrandPart Number
NSK6011ZZ
fag6011-2Z
ntn6011ZZ
skf6011-2Z
zvl6011-2ZR
koyo6011ZZ
nachi6011ZZE
timken6011-2Z

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

Compare 6011 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSK6011ZZ55×90×1828.620Current
FAG601155×90×1829.2View
FAG6011-2RSR55×90×1829.2View
FAG6011-2Z55×90×1829.2View
Koyo601155×90×1828View
Koyo60112RS55×90×1828View
Koyo6011ZZ55×90×1828View
NACHI601155×90×1828.3View
NACHI60112NSLE55×90×1828.3View

FAQ — NSK 6011ZZ

Quick answers to common questions.

NSK 6011ZZ có kích thước d×D×B = 55×90×18 mm theo tiêu chuẩn ISO. Đường kính trong d = 55 mm, đường kính ngoài D = 90 mm, chiều rộng B = 18 mm.

Common Applications

Heavy industryPumps

Deep Groove Ball Bearings with 55mm bore diameter are commonly used in motors 5.5-37kW, centrifugal pumps, air compressors, industrial gearboxes (5.5-37kW range).

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NSK 6011ZZ
55×90×18 mm
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