Masjid Bunder West, Mumbai - 400003
sales@swarajbearing.com WhatsApp Us +91 98928 50333
Our Products

NJ Series Cylindrical Roller Bearings Supplier in India

High-Performance Unidirectional Locating Bearings Engineered for Heavy-Duty Industrial Shaft Alignment.

Manufacturer & Supplier in India

As a leading industrial distribution specialist, Swaraj Bearing Company offers precision-engineered NJ Series Cylindrical Roller Bearings designed to manage heavy radial forces while providing single-direction axial restraint. Serving critical industrial hubs across India—from the manufacturing centers of Maharashtra and Gujarat to major heavy engineering sectors in Odisha and Jharkhand—we keep your assembly lines running smoothly with deep stock availability and fast dispatch timelines.

The defining internal design of an NJ cylindrical roller bearing features two integral flanges on the outer ring and a single fixed rib on the inner ring. This specific structural setup allows the unit to act as a semi-locating bearing, guiding the rotating shaft tightly and absorbing light thrust forces in a single horizontal direction. It provides a highly efficient mechanical option for machinery assemblies subjected to predictable, unidirectional axial thrust, securing rotational accuracy under intense workloads.

Series: NJ E / M Type Chrome Steel Unidirectional Locating
Request a Quote
NJ Series Cylindrical Roller Bearings for unidirectional axial location and high radial loads
Overview

Overview of NJ Series Cylindrical Roller Bearings

Single-Direction Axial Tracking: Anchors the shaft laterally from one direction to counteract consistent, linear thrust forces.
High Radial Capacity: Optimized line-contact kinematics distribute heavy rolling loads across the tracks. If your system requires zero thrust load support and needs an unrestricted floating arrangement instead, consider our NU Series Cylindrical Roller Bearings range.
Low Friction Engineering: Precision-honed internal components limit heat generation during rapid rotation. For assemblies that demand full, dual-directional shaft fixing, look over our NUP Series Cylindrical Roller Bearings Supplier metrics.
Design Characteristics

Key Features & Design Characteristics

Integrating a specialized nj series bearing brings vital operational protections developed for semi-fixed industrial drivetrains:

Asymmetrical Rib Layout

Engineered with two permanent ribs on the outer ring and one permanent rib on the inner ring, this separable configuration permits easier independent ring mounting. Field installation teams can seamlessly press-fit components into tight housings without damaging the cage assembly.

Unidirectional Thrust Absorption

The single inner-ring flange works in tandem with the outer raceway boundaries to stop horizontal drift from one side. This specialized design safely contains predictable structural shifts without triggering component binding.

Superior Rigidity under Peak Loads

By using solid cylindrical rollers rather than standard ball bearings, these units provide wide line-contact tracking. This significantly increases structural stiffness and minimizes outer ring deflection during extreme shocks.

Optimized Rolling Friction at Peak Speed

Fine-milled tracking zones keep starting torque exceptionally low. By reducing power consumption and thermal buildup, every premium nj bearing runs smoothly in high-velocity industrial gear drives and processing equipment.

Technical Data

Technical Specifications Snapshot

Parameter Specification
Bearing Type NJ Series Cylindrical Roller Bearings (Semi-Locating Design)
Load Type Punishing Radial Loads + Light Unidirectional Axial Loads
Design Variant Two integral ribs on outer ring, one integral rib on inner ring
Cage Options Reinforced Glass-Fiber Polyamide (E-Type) / Machined Solid Brass (M)
Material Premium High-Carbon Chromium Bearing Steel (SAE 52100)
Internal Clearance Standard (CN) / C3 / C4 (High-Temperature Applications)
Precision Grade Standard ISO P0 / High-Precision P6 & P5
Lubrication Open face optimized for grease packing or circulating oil mist systems
Genuine Global Brands Available

Genuine Global Brands Available

To shield your heavy machinery from costly breakdown expenses, we distribute only genuine, certified global brands manufactured to strict international standards. Our warehouse inventory features ZVL Slovakia, offering high-tier European manufacturing with exact compliance to ISO boundary dimensions and superior wear metallurgy, along with SKF, FAG, NSK, and NTN, leading global engineering brands for ultra-precision arrays and high-stress industrial applications. Note: Every customer order arrives complete with verified manufacturer certificates, 100% batch traceability, and full technical documentation.

ZVL SKF FAG NSK NTN
Available Models

Variants & Available Models – NJ Series Cylindrical Roller Bearings

The NJ Series is stocked in diverse cage, material, and reinforcement configurations to align with exact industrial requirements. To facilitate rapid engineering sourcing for specific machinery builds, we maintain complete stock availability for everything listed in the inventory matrix:

Open Type (Standard Design)

Open-faced layout built for continuous oil bath or grease lubrication, supporting heavy radial forces while anchoring axial travel.

E Type (Reinforced Design)

Built with optimized internal geometry and an increased roller complement (such as the standard nj 203 bearing or nj 204 bearing), providing much higher dynamic load capacities.

M Type (Machined Brass Cage)

Solid brass cages designed to withstand extreme structural vibration, massive centrifugal forces, and high-heat environments.

Below is the availability matrix compiled from our active inventory records:

Dimensional Series Configuration Type Available Model Ranges (Covered in Stock)
NJ 200 Series (Light) Polyamide / Brass / E-Design NJ203 to NJ220, NJ222, NJ224, NJ226, NJ228, NJ230, NJ232, NJ234, NJ236, NJ238, NJ240, NJ244
NJ 300 Series (Medium) Polyamide / Brass / E-Design NJ303 to NJ320, NJ321, NJ322, NJ324, NJ326, NJ328, NJ330
NJ 400 Series (Heavy) Standard / Machined Brass NJ405 to NJ420, NJ422
NJ 2200 Series (Wide) Polyamide / Brass / E-Design NJ2203 to NJ2218, NJ2220, NJ2222, NJ2224, NJ2226, NJ2228, NJ2230
NJ 2300 Series (Heavy-Wide) Polyamide / Brass / E-Design NJ2304 to NJ2320, NJ2322

Whether your facility needs a compact NJ 206 bearing for small automated assemblies, an extended-width NJ 2210 bearing for heavy pump drives, or a massive NJ 2309 bearing for robust power transmission gear systems, our logistics network provides overnight fulfillment across most locations.

Where We Supply

Applications & Industries

Our premium NJ Series bearings are heavily integrated by original equipment manufacturers and maintenance supervisors across India's foundational industrial sectors:

Industrial Gearboxes & Drives

Positioned on intermediate shafts where predictable helical gear thrust must be managed securely on one side.

Electric Motors & Generators

Commonly installed on the drive end of medium-to-large motors to maintain precise rotational tracking under belt-driven radial stress.

Centrifugal Pumps

Effectively supports high-speed impeller shafts, keeping the central assembly locked against axial hydraulic feedback from one direction.

Blowers and Fan Assemblies

Delivers exceptional running accuracy and vibration containment in large industrial ventilation and air handling installations.

Agricultural & Construction Machinery

Built into heavy axle housings and reduction systems to provide structural rigidity in dusty, high-load working conditions.

Our Standards

Quality Assurance

At Swaraj Bearing Company, product authenticity and structural excellence are absolute core principles. As an authorized distributor for ZVL Slovakia, we supply 100% genuine components sourced straight from factories, completely removing supply-chain risk with certified verification records. Every product batch undergoes rigid testing to confirm total compliance with global metrics, including ISO 15 for outer boundaries, ISO 281 for dynamic load limits, and ISO 76 for static load ratings.

By utilizing high-grade carbon-chromium steel, our components provide superior resistance to subsurface fatigue and abrasive wear. If your application requires handling detailed tolerances, checking standard nj 210 bearing dimensions ensures perfect alignment fits prior to installation. Our structured inspection workflow guarantees that your maintenance and purchasing departments receive high-end parts that maximize system life and decrease overall maintenance spending.

ISO 15 for Outer Boundaries
ISO 281 for Dynamic Load Limits
ISO 76 for Static Load Ratings
100% Genuine Components with Certified Verification Records
Authorized Supply Channels

Every customer order arrives complete with verified manufacturer certificates, 100% batch traceability, and full technical documentation.

ZVL SKF FAG NSK NTN
Our Edge

Why Choose Swaraj Bearing Company?

Swaraj Bearing Company supplies genuine NJ Series Cylindrical Roller Bearings through authorized sourcing channels. As an authorized distributor of ZVL Slovakia and a trusted partner for leading global brands, we ensure ready stock availability, proper documentation, and timely pan‑India dispatch for heavy-duty industrial applications.

Genuine Products Only

Every component sourced directly from authorized manufacturers with full batch traceability.

Fast Pan-India Dispatch

Ready stock and timely dispatch across India for urgent and bulk requirements.

OEM & Distributor Friendly

Flexible supply models tailored for OEMs, industrial clients, and bulk distributors across India.

20+ Years Experience

Decades of expertise in bearing procurement, supplier evaluation, and technical product analysis.

Dedicated Technical Support

Our team is always available for part identification, sizing, and procurement guidance.

Authorized ZVL Distributor

Official authorization from ZVL Slovakia with full OEM documentation and batch certification.

FAQs

Frequently Asked Questions

A: No. An NJ Series bearing has two fixed ribs on the outer ring and only one fixed rib on the inner ring. It can only handle light thrust or axial loads from one single direction. For bi-directional location, an NUP Series bearing is required.

A: An NU bearing has zero ribs on the inner ring, allowing the shaft to float freely in both directions. An NJ bearing has one fixed inner rib, which acts as a guide to stop shaft travel in one direction.

A: For standard high-capacity applications with normal operating heat, an E-type reinforced polyamide cage is ideal. However, for machinery facing intense vibrations, shock loads, or running temperatures exceeding 120°C, the machined solid brass (M) cage is highly recommended.

A: Standard nj 210 bearing dimensions feature a 50mm bore, 90mm outer diameter, and a 20mm width. Our engineering team can provide complete dimensional sheets, tolerance classes, and clearance variations for any part number in our catalog.

A: Yes. Every industrial dispatch for high-performance units like the nj 2210 bearing or the wide nj 2309 bearing includes comprehensive manufacturing test reports and certificates of authenticity.
Get In Touch

Looking for a Certified NJ Series Bearings Supplier in India?

Swaraj Bearing Company provides real-time stock availability, competitive volume pricing, and dedicated logistics support across all major industrial hubs to minimize your facility's downtime. Our engineering team stands ready to assist your procurement departments with technical cross-referencing, bulk scheduling, and customized clearance specifications. Contact our sales desk today to request an instant quote and secure genuine, high-performance components for your machinery.

Contact Us Now +91 98928 50333