NUP Series

Name: NUP Series Single Row Cylindrical Roller Bearings
Brand: YJZY
Availability: InStock

NUP series single row cylindrical roller bearings are separable bearings equipped with inner ring fixed retaining rings to realize bidirectional axial positioning. This product line includes NUP1000 thin wall light duty, NUP200 standard general purpose, NUP300 widened heavy duty and NUP400 extra wide ultra heavy duty models. Featuring high radial load capacity, low friction and stable medium to high speed performance, they are widely used in gearboxes, reducers, construction machinery and metallurgical transmission systems. We keep standard sizes in stock and can supply customized clearance, high precision grades and matched retaining rings for bulk distributor and OEM orders.

Classification :

Cylindrical Roller Bearings

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NUP Series Cylindrical Roller Bearings

NUP single row cylindrical roller bearings are separable rolling bearings equipped with fixed retaining ring, capable of heavy radial loads and bidirectional axial positioning. We supply full NUP1000, NUP200, NUP300 and NUP400 series standard bearings with complete size charts. Our NUP cylindrical roller bearings can directly replace mainstream brand models, widely used in industrial gearboxes, heavy-duty reducers, construction machinery and metallurgical motor transmission units. Factory direct bulk supply with fast delivery and reliable quality.

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Structure & Advantages of NUP Cylindrical Roller Bearings

NUP type single row cylindrical roller bearing adopts double ribs on the outer ring, single rib plus fixed removable retaining ring on the inner ring structure. The inner ring, outer ring and roller assembly can be separated freely for easy installation, disassembly and maintenance. It features high radial load capacity and can bear bidirectional axial force, suitable for medium and high speed heavy load transmission conditions. Our factory strictly controls raw material, heat treatment and precision grinding to guarantee long service life and stable running performance. It can be used as an upgraded alternative to NJ series bearings for bidirectional axial positioning requirements.

✅ Separable inner & outer ring

✅ Radial + bidirectional axial load

✅ High dynamic load rating

✅ Interchangeable with mainstream brands

✅ Matched retaining ring supplied

✅ Stock available, short lead time

Application Industries of NUP Roller Bearings

NUP cylindrical roller bearings are widely adopted in heavy-duty industrial transmission fields requiring bidirectional axial positioning, as listed below:

Industrial Gearboxes

Heavy Duty Reducers

Metallurgical Equipment

Construction Machinery

Mining Machinery

Heavy Motors

NUP Series Full Size Charts

Below are standard dimensions, dynamic/static load ratings and limiting speed data of NUP series cylindrical roller bearings. Use the search box to quickly filter target bearing models.

NUP1000 Series Cylindrical Roller Bearing

Model	d(mm)	D(mm)	B(mm)	Dynamic Load(kN)	Static Load(kN)	Limiting Speed(r/min)
NUP1005	25	47	12	14.2	13.1	18000
NUP1006	30	55	13	18.5	17.2	16000
NUP1007	35	62	14	22.8	21.5	14000
NUP1008	40	68	15	25.5	24.2	13000
NUP1009	45	75	16	30.2	28.8	11000
NUP1010	50	80	16	32.5	31.0	10000

NUP200 Series Cylindrical Roller Bearing

Model	d(mm)	D(mm)	B(mm)	Dynamic Load(kN)	Static Load(kN)	Limiting Speed(r/min)
NUP204E	20	47	14	28.8	24.2	17000
NUP205E	25	52	15	32.0	27.5	15000
NUP206E	30	62	16	41.8	36.0	13000
NUP207E	35	72	17	51.5	45.0	11000
NUP208E	40	80	18	60.2	53.0	10000
NUP209E	45	85	19	64.8	58.0	9000
NUP210E	50	90	20	71.0	64.2	8500

NUP300 Series Cylindrical Roller Bearing

Model	d(mm)	D(mm)	B(mm)	Dynamic Load(kN)	Static Load(kN)	Limiting Speed(r/min)
NUP304E	20	52	15	37.5	30.5	15000
NUP305E	25	62	17	49.2	40.8	13000
NUP306E	30	72	19	63.8	53.8	11000
NUP307E	35	80	21	76.5	65.2	9500
NUP308E	40	90	23	93.0	79.5	8500
NUP309E	45	100	25	108	93.0	7600
NUP310E	50	110	27	130	112	6800

NUP400 Series Cylindrical Roller Bearing

Model	d(mm)	D(mm)	B(mm)	Dynamic Load(kN)	Static Load(kN)	Limiting Speed(r/min)
NUP406	30	90	23	82.0	64.0	8500
NUP407	35	100	25	95.0	75.0	7500
NUP408	40	110	27	112	88.0	6800
NUP409	45	120	29	130	105	6000
NUP410	50	130	31	152	122	5300

Frequently Asked Questions

What is the main difference between NUP and NJ cylindrical roller bearing?

NUP series is fitted with an inner-ring fixed retaining ring to achieve bidirectional axial positioning. NJ series can only bear unidirectional axial load. Both are separable single-row cylindrical roller bearings and are widely used in gearbox transmission systems.

Can NUP cylindrical roller bearings interchange with mainstream brand bearings?

Yes. Our NUP bearings follow ISO standard dimensions and tolerance specifications. Direct replacement is available without modifying installation housing or shaft for most industrial equipment projects.

What is your lead time for bulk NUP bearing orders?

Most standard NUP1000 / NUP200 / NUP300 stock items can be shipped within 3-7 working days. Custom clearance or non-standard specifications require 15-30 working days according to order quantity.

Can you supply matched retaining rings together with NUP bearings for large distributor orders?

Sure. We provide complete matched retaining rings for full NUP range. Batch supporting package is available for distributors and OEM equipment manufacturers.

What quality documents can you offer for NUP bearing bulk shipments?

We can provide batch inspection reports, material certificates and relevant ISO certification documents upon request for large-volume orders.

Request Quotation

Send us your required NUP bearing model, quantity and working condition, we will reply competitive quotation quickly.

Related Bearing Products

Category Overview

Cylindrical Roller Bearings are radial rolling bearings with cylindrical rolling elements that make line contact with raceways. They feature high radial load capacity, high rigidity, high-speed capability, and low friction.Most types can accommodate axial displacement between shaft and housing, and some structures allow carrying axial loads. They are widely used in motors, gearboxes, pumps, compressors, machine tools and other heavy‑duty rotating equipment.

Our Series Breakdown

We offer a complete range of cylindrical roller bearing series to suit different positioning and load requirements:

Series	Features	Typical Applications
NU Series	Floating bearing, free axial displacement, high radial load	Motors, fans, general machinery
NJ Series	Locates shaft in one axial direction, high rigidity	Gearboxes, reducers, machine tool spindles
NUP Series	Locates shaft in both axial directions, fixed positioning	Heavy gearboxes, compressors, pumps
N Series	Outer ring with two ribs, inner ring without ribs	General industrial transmission equipment
NF Series	Single-direction axial location, compact structure	Small‑to‑medium gearboxes and motors
RN Series	Without outer ring, fits directly into housing bore	Hydraulic pumps, construction machinery
RNU Series	Without inner ring, fits directly onto shaft	Special transmission mechanisms, compact equipment

Core Advantages

Extremely high radial load capacity and strong impact resistance
High rigidity and excellent high-speed performance
Low friction, stable operation, long service life
Allow axial thermal expansion of shaft (floating types)
Separable structure for easy installation and maintenance
Available in open, sealed and precision grades

🛠️ Typical Applications

Widely used in electric motors, gearboxes, reducers, pumps, compressors, machine tool spindles, fans, rolling mills, automotive transmissions, and other heavy‑duty industrial machinery.

PRODUCT TESTING

Bearing Forging

Bearing Annealing

Turning Process

Quenching

Bearing Assembly

Bearing Clearance Testing

Grease injection

Bearing Marking

Cylindrical Roller Bearings