7940CDB Bearing 71940 CDB Matched Pair Ball Bearings 200*280*76
Inner Diameter: 200mm
Outer Diameter: 280mm
Height: 76mm
Mass: 12.2kg
Material: Gcr15
C: 15° Contact Angle
DB: Back to Back pair combination
Limiting Speed: 2500 for grease, 3300 for oil
7940CDB Bearing Specification:
7940CDB bearing is matched pair ball bearing, back to back.
For this bearing,
Inner Diameter: 200mm
Outer Diameter: 280mm
Height: 76mm
Mass: 12.2kg
Material: Gcr15
C: 15° Contact Angle
DB: Back to Back pair combination
Limiting Speed: 2500 for grease, 3300 for oil
Structure: Angular contact ball bearing for 7940CDB bearing
Interchange Numbers: 7940CDB, 7940 CDB, 71940CDB, 71940 CDB
Matched Pair Bearing Features:
1. One set bearing contains 2 pieces bearings.
2. Back to back arrangement, which can bear radial load and axial load in 2 directions.
3. High precision, which suitable for high speed applications, such as machine tool spindle, high speed motors, etc.
4. Standard lubrication, grease or oil
Angular Contact Ball Bearings Parameters:
| Model | Contact Angle | d | D | B | Limiting Speed (grease) |
| 7900A5TYN | 25 | 10 mm | 22 mm | 6 mm | 40000 |
| 7900CTYN | 15 | 10 mm | 22 mm | 6 mm | 48000 |
| 7000AW | 30 | 10 mm | 26 mm | 8 mm | 24000 |
| 7000CTYN | 15 | 10 mm | 26 mm | 8 mm | 45000 |
| 7200AW | 30 | 10 mm | 30 mm | 9 mm | 22000 |
| 7200BW | 40 | 10 mm | 30 mm | 9 mm | 16000 |
| 7200CTYN | 15 | 10 mm | 30 mm | 9 mm | 40000 |
| 7300AW | 30 | 10 mm | 35 mm | 11 mm | 16000 |
| 7300BW | 40 | 10 mm | 35 mm | 11 mm | 14000 |
| 7901A5TYN | 25 | 12 mm | 24 mm | 6 mm | 38000 |
| 7901CTYN | 15 | 12 mm | 24 mm | 6 mm | 45000 |
| 7001AW | 30 | 12 mm | 28 mm | 8 mm | 22000 |
| 7001CTYN | 15 | 12 mm | 28 mm | 8 mm | 40000 |
| 7201AW | 30 | 12 mm | 32 mm | 10 mm | 20000 |
| 7201BEAT85 | 40 | 12 mm | 32 mm | 10 mm | 20000 |
| 7201BW | 40 | 12 mm | 32 mm | 10 mm | 15000 |
| 7201CTYN | 15 | 12 mm | 32 mm | 10 mm | 36000 |
| 7301AW | 30 | 12 mm | 37 mm | 12 mm | 15000 |
| 7301BEAT85 | 40 | 12 mm | 37 mm | 12 mm | 18000 |
| 7301BW | 40 | 12 mm | 37 mm | 12 mm | 13000 |
| 7902A5TYN | 25 | 15 mm | 28 mm | 7 mm | 32000 |
| 7902CTYN | 15 | 15 mm | 28 mm | 7 mm | 38000 |
| 7002CTYN | 15 | 15 mm | 32 mm | 9 mm | 34000 |
| 7002AW | 30 | 15 mm | 32 mm | 9 mm | 19000 |
| 7202BEAT85 | 40 | 15 mm | 35 mm | 11 mm | 18000 |
| 7202BW | 40 | 15 mm | 35 mm | 11 mm | 13000 |
| 7202CTYN | 15 | 15 mm | 35 mm | 11 mm | 32000 |
| 7302AW | 30 | 15 mm | 42 mm | 13 mm | 13000 |
| 7302BEAT85 | 40 | 15 mm | 42 mm | 13 mm | 16000 |
| 7302BW | 40 | 15 mm | 42 mm | 13 mm | 11000 |
| 7202AW | 30 | 15 mm | 35 mm | 11 mm | 18000 |
| 7903A5TYN | 25 | 17 mm | 30 mm | 7 mm | 30000 |
| 7903CTYN | 15 | 17 mm | 30 mm | 7 mm | 34000 |
| 7003AW | 30 | 17 mm | 35 mm | 10 mm | 17000 |
| 7003CTYN | 15 | 17 mm | 35 mm | 10 mm | 32000 |
| 7203AW | 30 | 17 mm | 40 mm | 12 mm | 16000 |
| 7203BEAT85 | 40 | 17 mm | 40 mm | 12 mm | 16000 |
| 7203BW | 40 | 17 mm | 40 mm | 12 mm | 11000 |
| 7203CTYN | 15 | 17 mm | 40 mm | 12 mm | 28000 |
| 7303AW | 30 | 17 mm | 47 mm | 14 mm | 11000 |
| 7303BEAT85 | 40 | 17 mm | 47 mm | 14 mm | 14000 |
| 7303BW | 40 | 17 mm | 47 mm | 14 mm | 10000 |
Questions that help when 7940CDB and 71940 is on the shortlist
When is 7940CDB and 71940 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 7940CDB and 71940 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 7940CDB and 71940 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 7940CDB and 71940?
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 7940CDB Bearing 71940 CDB Matched Pair Ball Bearings 200*280*76?
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
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