Inner Diameter: 140mm
Outer Diameter: 250mm
Height: 42mm
Material: AISI 52100 bearing steel
Mass: 8.35kg/ 18.4lb
B: 40° contact angle
M: ball-centered, machined brass cage with a window-type design
The 7228BM bearing is a high-precision, single-row angular contact ball bearing designed for applications requiring high speed and excellent load-carrying capacity.
For this bearing,
Inner Diameter: 140mm
Outer Diameter: 250mm
Height: 42mm
Material: AISI 52100 bearing steel
Mass: 8.35kg/ 18.4lb
B: 40° contact angle
M: ball-centered, machined brass cage with a window-type design
Structure: angular contact ball bearing, single row
Lubrication: grease or oil
Precision: ABEC1, ABEC3, ABEC5, ABEC7
Matched Arrangement: No arrangement for bearing 7228bm
1. Angular Contact Design:
7228-BM Bearing supports both radial and axial loads, making it suitable for high-speed and high-precision applications.
2. Machined Brass Cage (Window-Type, Ball Centered):
Ensures durability, reduced friction, and optimal ball guidance for reliable performance.
3. High Load-Carrying Capacity:
With a 40° contact angle, 7228BM bearing is designed to handle heavy loads and demanding operating conditions.
4. Excellent Speed Capability:
Engineered for smooth operation at high rotational speeds.
1.Reliable Performance:
High-quality materials and precision engineering ensure stable and consistent operation.
2. Extended Service Life:
Robust construction and advanced design minimize wear and maintenance needs.
3. Versatile Lubrication Options:
Compatible with both grease and oil lubrication for maximum flexibility.
4. Precision Options:
Available in multiple precision grades to suit different performance requirements.
The 7228BM bearing is available for immediate shipment. For bulk orders, technical support, or additional information, please contact our sales team.
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.
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.
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.
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.
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
We accept T/T, W/U, PAYPAL, L/C etc
Buyer FAQ
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.
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.
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.
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.
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
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