NACHI
55
55 × 90 × 18 mm
Load C
28.3 kN
Speed
8,500
Weight
0.35 kg

The NACHI 6011ZZE 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. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 6 equivalent brands available under ISO designation 6011.

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NACHI 6011ZZE

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)28.3 kN
Static Load Rating (C₀)19.8 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 NACHI 6011ZZE per OEM catalog.

Bore Diameter (d)55 mm
Outside Diameter (D)90 mm
Width (B)18 mm
Dynamic Load Rating (C)28.3 kN
Static Load Rating (C₀)19.8 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
NACHI6011ZZE
fag6011-2Z
nsk6011ZZ
ntn6011ZZ
skf6011-2Z
zvl6011-2ZR
koyo6011ZZ
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)
NACHI6011ZZE55×90×1828.319.8Current
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 — NACHI 6011ZZE

Quick answers to common questions.

NACHI 6011ZZE 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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NACHI 6011ZZE
55×90×18 mm
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