NACHI
17
17 × 35 × 12 mm
Load C
15.1 kN
Speed
6,300
Weight
0.05 kg

The NACHI 51203 is a small size thrust ball bearings with ISO dimensions 17×35×12 mm. Bearings in the 17mm 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 51203.

NACHIThrust Ball BearingsPre-Order 3–5 Days

NACHI 51203

Thrust Ball Bearings17×35×12 mm — ISO 51203

Dimensions
Bore Diameter (d)17 mm
Outside Diameter (D)35 mm
Width (B)12 mm
Dynamic Load Rating (C)15.1 kN
Static Load Rating (C₀)19.4 kN
Limiting Speed (grease)6,300 rpm
Mass0.05 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for NACHI 51203 per OEM catalog.

Bore Diameter (d)17 mm
Outside Diameter (D)35 mm
Width (B)12 mm
Dynamic Load Rating (C)15.1 kN
Static Load Rating (C₀)19.4 kN
Limiting Speed (grease)6,300 rpm
Mass0.05 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51203 — interchangeable dimensions.

BrandPart Number
NACHI51203
fag51203
nsk51203
ntn51203
skf51203
zvl51203

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

Compare 51203 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHI5120317×35×1215.119.4Current
ZVL5120317×35×1215.3View
FAG5120317×35×1215.6View
NSK5120317×35×1215.3View
NTN5120317×35×1215.3View
SKF5120317×35×1215.3View

FAQ — NACHI 51203

Quick answers to common questions.

NACHI 51203 có kích thước d×D×B = 17×35×12 mm theo tiêu chuẩn ISO. Đường kính trong d = 17 mm, đường kính ngoài D = 35 mm, chiều rộng B = 12 mm.

Common Applications

Machine toolsAutomotive

Thrust Ball Bearings with 17mm bore diameter are commonly used in CNC rotary tables, couplings, hydraulic jacks, small vertical motor shafts.

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NACHI 51203
17×35×12 mm
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