NTN Ball Screw Support Bearing: 40X90, 1 Row, 60°, Open, ABEC 7, Thermoplastic Cage
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
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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.
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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.













