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NTN BST40X90-1BP4 Angular Contact Thrust Bearing for Ball Screws - Angular Contact Thrust Bearings for Ball Screws
NTNAngular Contact Thrust Bearings for Ball Screws

NTN BST40X90-1BP4 Angular Contact Thrust Bearing for Ball Screws

The NTN Ball Screw Support Bearing: 40X90 is a single, angular contact thrust bearing for ball screws, featuring a 40 mm bore, a 60° contact angle, an open design, an ABEC 7 precision rating, and a thermoplastic…

SKU 3G-OTH-97395

Also listed as: BST40X901BP4 · BST40X90 1BP4

Brand
NTN
Item
BST40X90-1BP4 Angular Contact Thrust Bearing for Ball Screws
Part Number
BST40X90-1BP4
Category
Angular Contact Thrust Bearings for Ball Screws
Available to Order
Also known as:BST40X90-1BP4NTN
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Local office
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Phone
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Technical Specifications

NTN
Manufacturer Part Number
BST40X90-1BP4
Type
60°, Open, ABEC 7, Thermoplastic Cage
Bore
40 mm
Row
1
Bearing Type
Single Bearing
Contact Bearing Type
Angular Contact
Matched Bearing Type
Not Matched/Single Bearing
System of Measurement
Metric
Bearing Industry Number
40X90

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Ball Screw Support Bearing: 40X90 is a single, angular contact thrust bearing for ball screws, featuring a 40 mm bore, a 60° contact angle, an open design, an ABEC 7 precision rating, and a thermoplastic cage. This metric bearing, identified by industry number 40X90 and manufacturer part number BST40X90-1BP4, is supplied as a single bearing with no matched pairing.

Frequently Asked Questions

What is the NTN Ball Screw Support Bearing 40X90 used for?

The NTN Ball Screw Support Bearing 40X90 is used to support ball screws in precision linear motion systems, such as CNC machine tools, robotics, and industrial automation. Its angular contact design and 60° contact angle handle axial loads from ball screw thrust, while the ABEC 7 rating ensures high rotational accuracy for positioning applications.

What are the specifications of the NTN BST40X90-1BP4 bearing?

The NTN BST40X90-1BP4 is a single angular contact thrust bearing with a 40 mm bore, 90 mm outer diameter, 1 row, 60° contact angle, open design, ABEC 7 precision, and a thermoplastic cage. It is metric, not matched, and carries the industry number 40X90. NTN manufactures this bearing for ball screw support applications.

Where to buy the NTN Ball Screw Support Bearing 40X90 worldwide?

You can source the NTN Ball Screw Support Bearing 40X90 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine NTN bearings for ball screw support applications.

How to select the NTN Ball Screw Support Bearing 40X90 for a ball screw?

To select the NTN Ball Screw Support Bearing 40X90, match the 40 mm bore to your ball screw shaft diameter and ensure the 90 mm outer diameter fits your housing. The 60° contact angle and ABEC 7 precision suit high-axial-load, high-accuracy applications. Use a single bearing if preload adjustment is separate; consult NTN guidelines for installation and lubrication.

Used in

Common applications for NTN
Material handling conveyors — NTN UCPL-1.3/16M pillow block ball bearings with cast iron housing and set screw locking for shaft support.
Automotive wheel hubs — NTN tapered roller bearing assemblies like LM814849/LM814810 for combined radial and axial load handling.
Industrial gearboxes — NTN tapered roller bearing cones such as 4T-05062 with chrome steel cage for moderate-speed applications.
Agricultural machinery — NTN inch-system tapered roller bearing assemblies like LM29748/LM29710 for reliable operation in dusty environments.
Pumps and compressors — NTN metric tapered roller bearing assemblies such as 33213 with carbon steel rings for high radial and axial loads.
Power transmission equipment — NTN pillow block ball bearings with 1 3/16 in bore for supporting rotating shafts in belt drives.
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NTN Products

3G Electric supplies NTN angular contact thrust bearings for ball screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Single-row angular contact thrust bearing for ball screw support. Features a 40 mm bore, 60° contact angle, open design, ABEC 7 precision, and thermoplastic cage. Suitable for precision linear motion systems requiring axial load handling and high rigidity
NTN
Single-row angular contact thrust bearing for ball screw support. Features a 40 mm bore, 60° contact angle, open design, ABEC 7 precision, and thermoplastic cage. Suitable for precision linear motion systems requiring axial load handling and high rigidity

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