MM40BS72DUH Ball Screw Support Bearing 40*72*15 Duplex Pair Bearings
Inner (d): 40mm
Outer (D): 72mm
Width (B): 15mm
Weight: 0.56kg/set (2pcs)
Structure: Angular contact ball bearing
DU: Duplex pair bearings, universally ground
H: High preload
MM40BS72DUH Ball Screw Support Bearing Specification:
MM40BS72DUH ball screw support bearing belong to angular contact ball bearing.
For this bearing model number,
DU: Duplex pair bearings, universally ground
H: High preload
Inner (d): 40mm
Outer (D): 72mm
Width (B): 15mm(single bearing)
Weight: 0.56kg/set (2pcs)
Seal Type: open without seal
Dynamic Load (KN): 45.4
Static Load (KN): 36.3
Alternative Bearing Models: 40TAC72DB, BSD4072CGA, BSD4072DB, etc
Bearing Package:

Where MM40BS72DUH sits among related angular contact ball bearings choices
When MM40BS72DUH is under review, buyers usually compare fit, load direction, sealing, speed, and repeat-supply confidence before approving the final choice. The destinations below keep that review practical by connecting MM40BS72DUH with broader angular contact ball bearings options, application guidance, and the commercial path that usually matters next.
Questions that help when MM40BS72DUH is on the shortlist
When is MM40BS72DUH worth comparing against nearby angular contact ball bearings options?
Comparison helps when dimensional fit is only part of the decision and load direction, sealing, clearance, speed, temperature, or repeat-order stability still need to be confirmed. Reviewing one or two nearby options early usually reduces sourcing mistakes later.
What details usually matter before approving MM40BS72DUH for repeat supply?
Buyers normally confirm the part reference, main dimensions, application, speed range, operating environment, sealing needs, and any packaging or marking requirements. That gives the supplier a cleaner basis for confirming availability and suitable alternatives.
Which next step usually helps after MM40BS72DUH is shortlisted?
A quick review of Angular Contact Ball Bearings, one more commercial destination, and one practical guide usually saves time. That combination helps separate simple replacement orders from jobs that still need fit or application review.
Why keep a supporting guide linked beside MM40BS72DUH?
Because it makes later decisions faster. When sizing notes, application cues, and nearby options stay close to the product, engineering, purchasing, and maintenance teams can revisit the same logic without starting the review from zero.
Shipping Method:
1. Sea shipping for mass cargos (GW > 500KGS)
2. Air shipping (GW between 100KGS – 500 KGS)
3. Express, such as DHL, TNT, Fedex, UPS for small cargos ( GW < 100KGS)
4. If you have shipping agent in China, we can send goods to your shipping agent's warehouse

Payment Terms:
We accept T/T, W/U, PAYPAL, L/C etc

Buyer FAQ
Questions buyers ask before choosing the next bearing option
What should I confirm before ordering MM40BS72DUH Ball Screw Support Bearing 40*72*15 Duplex Pair Bearings?
Confirm the bearing number, bore size, outside diameter, width, seal or shield type, cage material, clearance, precision level, quantity, and application. These details help prevent a size match from becoming a performance mismatch.
Can this bearing be matched for replacement or repeat supply?
Yes. Replacement and repeat orders are easier when the original marking, measured dimensions, photos, application, and quantity are available. If the marking is unclear, the team can start from the size and working condition.
Which product family does this bearing belong to?
This item is handled within the Angular Contact Ball Bearings family. Comparing the family page can help buyers review similar sizes, seal options, load direction, and related bearing choices before requesting a quote.
What affects price and lead time for this bearing?
Price and lead time can change with quantity, stock availability, precision grade, clearance, material, cage, seal or shield type, lubrication, packaging, and whether the order needs standard matching or custom production.
How is this bearing checked before delivery?
Inspection can include material review, dimensional measurement, noise and vibration checks, surface and crack checks, visual review, and packaging inspection according to the confirmed order requirements.
Need help checking fit, price, or lead time? Request a bearing quote
