NACHI
30
30 × 70 × 28 mm
Load C
47.5 kN
Speed
3,200
Weight
0.36 kg

The NACHI 51406 is a small size thrust ball bearings with ISO dimensions 30×70×28 mm. Bearings in the 30mm bore range are commonly used in CNC rotary tables, couplings, hydraulic jacks, small vertical motor shafts. This is an open type, requires periodic lubrication, suitable for clean environments variant. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 4 equivalent brands available under ISO designation 51406.

NACHIThrust Ball BearingsPre-Order 3–5 Days

NACHI 51406

Thrust Ball Bearings30×70×28 mm — ISO 51406

Dimensions
Bore Diameter (d)30 mm
Outside Diameter (D)70 mm
Width (B)28 mm
Dynamic Load Rating (C)47.5 kN
Static Load Rating (C₀)70.3 kN
Limiting Speed (grease)3,200 rpm
Mass0.36 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NACHI2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NACHI 51406 per OEM catalog.

Bore Diameter (d)30 mm
Outside Diameter (D)70 mm
Width (B)28 mm
Dynamic Load Rating (C)47.5 kN
Static Load Rating (C₀)70.3 kN
Limiting Speed (grease)3,200 rpm
Mass0.36 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51406 — interchangeable dimensions.

BrandPart Number
NACHI51406
fag51406
nsk51406
ntn51406
skf51406
zvl51406

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

Compare 51406 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHI5140630×70×2847.570.3Current
FAG5140630×70×2849View
NSK5140630×70×2848View
NTN5140630×70×2848View
SKF5140630×70×2848View
ZVL5140630×70×2848View

FAQ — NACHI 51406

Quick answers to common questions.

NACHI 51406 có kích thước d×D×B = 30×70×28 mm theo tiêu chuẩn ISO. Đường kính trong d = 30 mm, đường kính ngoài D = 70 mm, chiều rộng B = 28 mm.

Common Applications

Machine toolsAutomotive

Thrust Ball Bearings with 30mm bore diameter are commonly used in CNC rotary tables, couplings, hydraulic jacks, small vertical motor shafts.

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NACHI 51406
30×70×28 mm
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