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+86-021-54846037

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18917682396

Products

Track Roller

Support Roller

Cam Follower

Cam Roller

Combined Bearing

V Groove Bearing
Deep Groove Ball Bearing

Single Row Deep Groove Ball Bearing

Single Row Deep Groove Ball Bearing With Filling Slot

Double Row Deep Groove Ball Bearing

Thin Section Deep Groove Ball Bearing
Self-aligning Ball Bearing

Self-aligning Ball Bearing

Self-aligning Ball Bearing With E-tended Inner Ring
Angular Contact Ball Bearing

Single Row Angular Contact Ball Bearing

Double Row Angular Contact Ball Bearing

Four-point Contact Ball Bearing
Thrust Ball Bearing

Single Direction Thrust Ball Bearing

Double Direction Thrust Ball Bearing

Angular Contact Thrust Ball Bearing
Needle Roller Bearing

Needle Roller And Cage Assembly

Drawn Cup Needle Roller Bearing

Machined Needle Roller Bearing

Combined Needle Roller Bearing
Cylindrical Roller Bearing

Single Row Cylindrial Roller Bearing

Double Row Cylindrical Roller Bearing

Four-point Cylindrical Roller Bearing
Spherical Roller Bearing

Spherical Roller Bearings

Split Roller Bearings
Tapered Roller Bearing

Single Row Tapered Roller Bearing

Double Row Tapered Roller Bearing

Four-row Tapered Roller Bearing
Thrust Roller Bearing

Cylindrical Roller Thrust Bearing

Spherical Roller Thrust Bearing
Crossed Roller Bearing

Cross Cylindrical Roller Bearing

Cross Tapered Roller Bearing
Slewing Ring

Four-point Contact Ball Slewing Ring

Cross Roller Slewing Ring

Three-row Roller Slewing Ring
Pillow Block Bearing

Plummer Block

Pillow Block

Special Housing / Pillow Blocks With Different Material
Plain Bearing

Radial Spherical Plain Bearings

Axial Spherical Plain Bearings

Angular Contact Spherical Plain Bearings

Self-lubricating Bearing

EXPIORE
TRENDING BEARING NEWS

Jun 19-2025

The Role of Combined Needle Roller Bearings in Washing Machines

The Role of Combined Needle Roller Bearings in Washing Machines

Jun 17-2025

How to Correctly Select Crossed Cylindrical Roller Bearings? How to Judge the Quality of Bearings

How to Correctly Select Crossed Cylindrical Roller Bearings? How to Judge the Quality of Bearings

Jun 15-2025

The Role of Deep Groove Ball Bearings in the Industrial Robot Industry

The Role of Deep Groove Ball Bearings in the Industrial Robot Industry

NA 4840 Machined Needle Roller Bearing

NA 4840

GET A QUOTE ANY QUESTIONS

Specifications of NA 4840 Machined Needle Roller Bearing

Designations		NA4840
Dimensions(mm)	d	200
	D	250
	B	50
	C	–
	r1,2	1.5
	F	220
Basic load ratings(KN)	Basic load ratings (dynamic)(C)	217,3
Basic load ratings(KN)	Basic load ratings (static)(C0)	720,3
Fatigue load limit (Pu)		72
Speed ratings(r/min)	Speed ratings (Reference speed)	1 800
Speed ratings(r/min)	Speed ratings (Limting speed)	2 000
Mass(kg)		5,8

Recommended Bearings

Crossed Roller Bearing

Crossed Roller Bearing

Angular Contact Ball Bearing

Angular Contact Ball Bearing

Self-aligning Ball Bearing

Self-aligning Ball Bearing

Deep Groove Ball Bearing

Deep Groove Ball Bearing

Custom Bearings From THB Bearings

Any questions or concerns about types of industrial bearings and their uses, you can ask here.
As a specialized solutions provider of bearing technology, THB Bearings team member will get back to you within 24 hours for your bearing design, analysis and engineering services.

Contact THB Bearings to get more info about all types of custom bearing products and service!

Get a Quote

Products

Track Roller Deep Groove Ball Bearing Self-aligning Ball Bearing Angular Contact Ball Bearing Thrust Ball Bearing Needle Roller Bearing Cylindrical Roller Bearing Spherical Roller Bearing Tapered Roller Bearing Thrust Roller Bearing Crossed Roller Bearing Slewing Ring Pillow Block Bearing Plain Bearing

Industries

Automated Warehousing Medical Apparatus And Instruments Automation Production Industrial Manufacturing Food, Beverage And Packing Equipments Special Vehicles Port Facilities

Contact Us

+86-021-54846037

Info@thb-bearings.com

601, Budling 2, No.525, YuanJiang Road, Minhang District, Shanghai, China

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