Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

INA Combination Bearing: 17 mm Bore Dia, NKIB5903, Plastic, 30 mm Axial Bearing Outside Dia - Combination Needle Roller & Angular Contact Ball Bearings
INACombination Needle Roller & Angular Contact Ball Bearings

INA Combination Bearing: 17 mm Bore Dia, NKIB5903, Plastic, 30 mm Axial Bearing Outside Dia

The INA Combination Bearing, model NKIB5903, is a metric combination needle roller and angular contact ball bearing with a 17 mm bore diameter. It features a steel ring material and a 30 mm axial bearing outside…

SKU 3G-OTH-98083

Brand
INA
Item
Combination Bearing: 17 mm Bore Dia, NKIB5903, Plastic, 30 mm Axial Bearing Outside Dia
Category
Combination Needle Roller & Angular Contact Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

INA
Manufacturer Part Number
NKIB5903
Type
NKIB5903, Plastic, Steel
Ring Material
Steel
System of Measurement
Metric
Bearing Industry Number
NKIB5903
Axial Bearing Outside Dia
30 mm
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

INA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INA Combination Bearing, model NKIB5903, is a metric combination needle roller and angular contact ball bearing with a 17 mm bore diameter. It features a steel ring material and a 30 mm axial bearing outside diameter. This bearing is designed for applications requiring combined radial and axial load support.

Frequently Asked Questions

What is the INA NKIB5903 combination bearing used for?

The INA NKIB5903 combination bearing supports combined radial and axial loads in compact machinery. It is commonly used in gearboxes, conveyors, and industrial automation where space is limited and both load types must be handled by a single bearing unit.

What are the specifications of the INA NKIB5903 bearing?

The INA NKIB5903 is a metric combination needle roller and angular contact ball bearing with a 17 mm bore diameter, 30 mm axial bearing outside diameter, steel ring material, and plastic cage. It is designed for applications requiring both radial and axial load capacity.

Where to buy the INA NKIB5903 bearing worldwide?

3G Electric supplies the INA NKIB5903 combination bearing to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this metric bearing with steel rings and plastic cage.

How to select the INA NKIB5903 bearing for an application?

To select the INA NKIB5903, verify your shaft diameter is 17 mm and axial space accommodates the 30 mm outside diameter. Confirm combined radial and axial load requirements do not exceed the bearing's rated capacities. Consult INA's technical data for speed and lubrication limits.

Used in

Common applications for INA
Automotive transmissions — INA NKI25/20-TV-XL needle roller bearings for gearbox shafts
Material handling conveyors — INA RCJ75-XL flange-mount ball bearings for roller support
Agricultural machinery — INA SCE45 drawn-cup needle roller bearings for pivot points
Machine tool spindles — INA NKIB5904 combination bearings for combined radial/axial loads
Industrial pumps — INA 81110-TV cylindrical roller thrust bearings for axial thrust
General engineering — INA TC3244 needle roller thrust bearings for low-speed rotary tables

INA Products

3G Electric supplies INA combination needle roller & angular contact ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
INA Combination Bearing: 25 mm Bore Dia, NKX25, Plastic, 42.1 mm Axial Bearing Outside Dia, Steel (MPN NKX25-Z). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX25-Z; Brand: INA; Bearing Industry Number: NKX25; Ring Material: Steel.
INA
INA Combination Bearing: 25 mm Bore Dia, NKX25, Plastic, 42.1 mm Axial Bearing Outside Dia, Steel (MPN NKX25-Z). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX25-Z; Brand: INA; Bearing Industry Number: NKX25; Ring Material: Steel.
INA Combination Bearing: 15 mm Bore Dia, NKX15, Plastic, 28.1 mm Axial Bearing Outside Dia, Steel (MPN NKX15-Z). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX15-Z; Brand: INA; Bearing Industry Number: NKX15; Ring Material: Steel.
INA
INA Combination Bearing: 15 mm Bore Dia, NKX15, Plastic, 28.1 mm Axial Bearing Outside Dia, Steel (MPN NKX15-Z). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX15-Z; Brand: INA; Bearing Industry Number: NKX15; Ring Material: Steel.
INA Combination Bearing: 20 mm Bore Dia, NKX20, Plastic, 35.1 mm Axial Bearing Outside Dia, Steel (MPN NKX20-Z). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX20-Z; Brand: INA; Bearing Industry Number: NKX20; Ring Material: Steel.
INA
INA Combination Bearing: 20 mm Bore Dia, NKX20, Plastic, 35.1 mm Axial Bearing Outside Dia, Steel (MPN NKX20-Z). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX20-Z; Brand: INA; Bearing Industry Number: NKX20; Ring Material: Steel.
INA Combination Bearing: 35 mm Bore Dia, NKX35, Plastic, 52.1 mm Axial Bearing Outside Dia, Steel (MPN NKX35-Z). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX35-Z; Brand: INA; Bearing Industry Number: NKX35; Ring Material: Steel.
INA
INA Combination Bearing: 35 mm Bore Dia, NKX35, Plastic, 52.1 mm Axial Bearing Outside Dia, Steel (MPN NKX35-Z). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX35-Z; Brand: INA; Bearing Industry Number: NKX35; Ring Material: Steel.
INA Combination Bearing: 30 mm Bore Dia, NKX30, Plastic, 47.1 mm Axial Bearing Outside Dia, Steel (MPN NKX30-Z-XL). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX30-Z-XL; Brand: INA; Bearing Industry Number: NKX30; Ring Material: Steel.
INA
INA Combination Bearing: 30 mm Bore Dia, NKX30, Plastic, 47.1 mm Axial Bearing Outside Dia, Steel (MPN NKX30-Z-XL). Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKX30-Z-XL; Brand: INA; Bearing Industry Number: NKX30; Ring Material: Steel.

More from INA

View all INA parts
INA Combination Bearing: 12 mm Bore Dia, NKIB5901, Plastic, 24 mm Axial Bearing Outside Dia, Steel (MPN 10882119). Key specifications — System of Measurement: Metric; Manufacturer Part Number: 10882119; Brand: INA; Bearing Industry Number: NKIB5901; Ring Material: Steel.
INA
INA Combination Bearing: 12 mm Bore Dia, NKIB5901, Plastic, 24 mm Axial Bearing Outside Dia, Steel (MPN 10882119). Key specifications — System of Measurement: Metric; Manufacturer Part Number: 10882119; Brand: INA; Bearing Industry Number: NKIB5901; Ring Material: Steel.
INA Combination Bearing: 50 mm Bore Dia, NKIB5910, Plastic, 72 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5910; Brand: INA; Bearing Industry Number: NKIB5910; Ring Material: Steel.
INA
INA Combination Bearing: 50 mm Bore Dia, NKIB5910, Plastic, 72 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5910; Brand: INA; Bearing Industry Number: NKIB5910; Ring Material: Steel.
INA Combination Bearing: 15 mm Bore Dia, NKIB5902, Plastic, 28 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5902; Brand: INA; Bearing Industry Number: NKIB5902; Ring Material: Steel.
INA
INA Combination Bearing: 15 mm Bore Dia, NKIB5902, Plastic, 28 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5902; Brand: INA; Bearing Industry Number: NKIB5902; Ring Material: Steel.
INA Combination Bearing: 35 mm Bore Dia, NKIB5907, Plastic, 55 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5907; Brand: INA; Bearing Industry Number: NKIB5907; Ring Material: Steel.
INA
INA Combination Bearing: 35 mm Bore Dia, NKIB5907, Plastic, 55 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5907; Brand: INA; Bearing Industry Number: NKIB5907; Ring Material: Steel.
INA Combination Bearing: 30 mm Bore Dia, NKIB5906, Plastic, 47 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5906; Brand: INA; Bearing Industry Number: NKIB5906; Ring Material: Steel.
INA
INA Combination Bearing: 30 mm Bore Dia, NKIB5906, Plastic, 47 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5906; Brand: INA; Bearing Industry Number: NKIB5906; Ring Material: Steel.
INA Combination Bearing: 25 mm Bore Dia, NKIB5905, Plastic, 42 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5905; Brand: INA; Bearing Industry Number: NKIB5905; Ring Material: Steel.
INA
INA Combination Bearing: 25 mm Bore Dia, NKIB5905, Plastic, 42 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5905; Brand: INA; Bearing Industry Number: NKIB5905; Ring Material: Steel.
INA Combination Bearing: 20 mm Bore Dia, NKIB5904, Plastic, 37 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5904; Brand: INA; Bearing Industry Number: NKIB5904; Ring Material: Steel.
INA
INA Combination Bearing: 20 mm Bore Dia, NKIB5904, Plastic, 37 mm Axial Bearing Outside Dia, Steel. Key specifications — System of Measurement: Metric; Manufacturer Part Number: NKIB5904; Brand: INA; Bearing Industry Number: NKIB5904; Ring Material: Steel.