High-Precision Double Row Needle Roller Bearing for Hydraulic Gear Pump Applications

For hydraulic equipment designers and maintenance engineers, gear pump bearing selection is often determined by the required load capacity, speed capability, and interchangeability with OEM part numbers as much as by dimensional compatibility.

When equipment requires reliable radial load support within a compact cross-section for hydraulic gear pump applications, S1032 needle roller bearings provide a practical solution for a wide range of high-pressure gear pump and hydraulic pump applications.

The S1032 is a double row needle roller bearing with a hardened cage, manufactured from bearing steel and precision ground for OEM order. It measures 32.766 mm bore × 49.213 mm outside diameter × 28.575 mm width. The bearing is interchangeable with Parker Commercial Intertech part numbers 391-0381-905, 391-0381-059, and WS1032, and is available in S1032, Y1032, and R1032 series configurations for different gear pump models.

For industrial distributors, OEM manufacturers, and maintenance suppliers, S1032 needle roller bearings offer a standardized bearing unit that simplifies installation and replacement processes with OEM interchangeability across major gear pump brands.

Unlike standard deep groove ball bearings that use spherical rolling elements, needle roller bearings use long, thin cylindrical rollers with a high length-to-diameter ratio, enabling a very compact cross-section with high radial load capacity.

The S1032 features a double row needle configuration with a hardened cage that reliably guides and clamps a large number of rolling bodies with minimal difference among them in the same set. The bearing is precision ground to tight tolerances for consistent performance in hydraulic gear pump applications.

This structure makes S1032 needle roller bearings suitable for equipment where high radial load support, minimal cross-section, and OEM interchangeability are important considerations.

Incorrect dimension matching is one of the most common causes of bearing replacement problems. Buyers should verify the following dimensions and load ratings before ordering.

Data sourced from standard S1032 series dimension tables. Y1032 and R1032 dimensions provided for reference.

The choice between different gear pump bearing designs usually depends on the required load capacity, speed capability, and OEM interchangeability.

S1032 is especially suitable when the application requires reliable radial load support with OEM interchangeability for Parker Commercial Intertech gear pumps and compatible equipment.

For OEM equipment manufacturers and maintenance suppliers, installation efficiency and interchangeability can influence overall production time.

S1032 needle roller bearings provide several practical design benefits:

The standardized design allows engineers to integrate S1032 bearings into various gear pump configurations without additional modification.

Incorrect dimension matching is one of the most common causes of bearing replacement problems.

Before purchase, buyers should verify:

For replacement projects, comparing the existing bearing with the complete assembly and OEM part number is recommended.

Different gear pump bearing designs serve different equipment requirements.

The correct choice depends mainly on the gear pump model, required load capacity, and available installation space.

S1032 needle roller bearings are used in a wide range of hydraulic gear pump and pump applications.

The final bearing selection should always consider load, speed, environment, and OEM interchangeability requirements.

Proper mounting and installation are essential for reliable S1032 needle roller bearing performance.

For buyers requiring specific gear pump bearing configurations, customization options are available.

S1032 needle roller bearings are manufactured through a controlled process to ensure consistent quality and performance.

Quality Control: Dimensional inspection verifies bore diameter, outside diameter, and width against approved specifications. Roller and raceway inspection checks profile and surface finish for proper load distribution. Rotational condition is checked for smooth operation. Final inspection covers appearance, lubrication condition, model identification, and packaging condition before shipment.

Quality documentation includes ISO 9001 certification and applicable product compliance documentation according to order requirements.

What is the S1032 needle roller bearing?

S1032 is a double row needle roller bearing with a hardened cage, designed for hydraulic gear pump applications. It measures 32.766 mm bore × 49.213 mm outside diameter × 28.575 mm width.

What are the dimensions of the S1032 bearing?

The S1032 measures 32.766 mm bore × 49.213 mm outside diameter × 28.575 mm width.

What is the load capacity of the S1032?

Dynamic load rating is 64.405 kN, and static load rating is 88.363 kN.

What is the limiting speed of the S1032?

The limiting speed is 13,000 rpm.

Is the S1032 interchangeable with Parker part numbers?

Yes. The S1032 is interchangeable with Parker Commercial Intertech part numbers 391-0381-905, 391-0381-059, and WS1032.

What is the difference between S1032, Y1032, and R1032?

S1032 is the standard size, Y1032 has smaller dimensions (27×42.86×25.4 mm), and R1032 has larger dimensions (38.1×58.98×31.75 mm). The correct model depends on the specific gear pump application.

What materials are used in the S1032?

The S1032 is manufactured from bearing steel (GCr15 / SUJ2 equivalent) with a hardened steel cage.

What applications use S1032 bearings?

Common applications include hydraulic gear pumps, high-pressure gear pumps, construction machinery, agricultural machinery, industrial hydraulic systems, and oil pump applications.

Can S1032 bearings be customized?

Yes. Model series, material, cage type, precision, and packaging can be customized according to requirements. OEM brand service is also available.

What information is needed for quotation?

Buyers should provide model number, quantity, OEM part number reference, application details, and any special specifications.

S1032 Needle Roller Bearings for Reliable Gear Pump Solutions

When equipment design requires reliable radial load support within a compact cross-section for hydraulic gear pump applications, S1032 needle roller bearings provide a practical solution for a wide range of high-pressure gear pump and hydraulic pump applications.

S1032 needle roller bearings combine double row needle roller construction with a hardened cage and OEM interchangeability, making them suitable for Parker Commercial Intertech gear pumps, construction machinery, agricultural equipment, and OEM applications.

For global distributors and machinery manufacturers, reliable quality, consistent supply, and flexible purchasing options are key factors in long-term cooperation.

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