NSK
140
140 × 210 × 33 mm
Load C
95.6 kN
Speed
2,800
Weight
2.3 kg

The NSK 6028ZZ is a large size deep groove ball bearings with ISO dimensions 140×210×33 mm. Bearings in the 140mm bore range are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW 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 6028.

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NSK 6028ZZ

Deep Groove Ball Bearings140×210×33 mm — ISO 6028

Dimensions
Bore Diameter (d)140 mm
Outside Diameter (D)210 mm
Width (B)33 mm
Dynamic Load Rating (C)95.6 kN
Static Load Rating (C₀)83 kN
Limiting Speed (grease)2,800 rpm
Mass2.3 kg
Seal TypeDouble Shielded
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK 6028ZZ per OEM catalog.

Bore Diameter (d)140 mm
Outside Diameter (D)210 mm
Width (B)33 mm
Dynamic Load Rating (C)95.6 kN
Static Load Rating (C₀)83 kN
Limiting Speed (grease)2,800 rpm
Mass2.3 kg
Seal TypeDouble Shielded
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6028 — interchangeable dimensions.

BrandPart Number
NSK6028ZZ
fag6028-2Z
ntn6028ZZ
skf6028-2Z
zvl6028-2ZR
koyo6028ZZ
nachi6028ZZE
timken6028-2Z

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

Compare 6028 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSK6028ZZ140×210×3395.683Current
SKF6028140×210×3395.6View
Timken6028140×210×3396.6View
FAG6028140×210×3397.5View
FAG6028-2RSR140×210×3397.5View
FAG6028-2Z140×210×3397.5View
Koyo6028140×210×3393.7View
Koyo60282RS140×210×3393.7View
Koyo6028ZZ140×210×3393.7View

FAQ — NSK 6028ZZ

Quick answers to common questions.

NSK 6028ZZ có kích thước d×D×B = 140×210×33 mm theo tiêu chuẩn ISO. Đường kính trong d = 140 mm, đường kính ngoài D = 210 mm, chiều rộng B = 33 mm.

Common Applications

Power generationMining

Deep Groove Ball Bearings with 140mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).

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NSK 6028ZZ
140×210×33 mm
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