NTN
17
17 × 30 × 9 mm
Load C
17.3 kN
Speed
5,600
Weight
0.02 kg

The NTN 81103 is a small size cylindrical roller thrust bearings with ISO dimensions 17×30×9 mm. Bearings in the 17mm bore range are commonly used in large ball screws, presses, vertical shafts, hydraulic lifting jacks. This is an open type, requires periodic lubrication, suitable for clean environments variant. NTN Japan — Japanese technology, consistent quality, strong in automotive and machine tool bearings — 3 equivalent brands available under ISO designation 81103.

NTNCylindrical Roller Thrust BearingsPre-Order 3–5 Days

NTN 81103

Cylindrical Roller Thrust Bearings17×30×9 mm — ISO 81103

Dimensions
Bore Diameter (d)17 mm
Outside Diameter (D)30 mm
Width (B)9 mm
Dynamic Load Rating (C)17.3 kN
Static Load Rating (C₀)27 kN
Limiting Speed (grease)5,600 rpm
Mass0.02 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NTN2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NTN 81103 per OEM catalog.

Bore Diameter (d)17 mm
Outside Diameter (D)30 mm
Width (B)9 mm
Dynamic Load Rating (C)17.3 kN
Static Load Rating (C₀)27 kN
Limiting Speed (grease)5,600 rpm
Mass0.02 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 81103 — interchangeable dimensions.

BrandPart Number
NTN81103
fag81103
skf81103
zvl81103
timken81103

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

Compare 81103 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NTN8110317×30×917.327Current
FAG8110317×30×917.6View
SKF8110317×30×917.3View
Timken8110317×30×917.5View
ZVL8110317×30×917.3View

FAQ — NTN 81103

Quick answers to common questions.

NTN 81103 có kích thước d×D×B = 17×30×9 mm theo tiêu chuẩn ISO. Đường kính trong d = 17 mm, đường kính ngoài D = 30 mm, chiều rộng B = 9 mm.

Common Applications

Machine toolsManufacturing

Cylindrical Roller Thrust Bearings with 17mm bore diameter are commonly used in large ball screws, presses, vertical shafts, hydraulic lifting jacks.

Need a Quote for NTN 81103?

Engineers ready for bearing selection, cross-reference, and same-day quotation.

NTN 81103
17×30×9 mm
Quote