d: 50 mm
D: 93.264 mm
B: 30.162 mm
Weight: 0.80 KG
HS Code: 8482200000
Material：Chrome steel, Gcr15
Interchange: 3780F1/3720, 3780F1/20, 3780F1-20, 3780F1-3720
3780F1/3720 bearing is taper roller bearing fond in many applications.
For this bearing,
Inner Ring: 3780F1
Outer Ring: 3720
Size: 50*93.264*30.162mm
Weight: 0.8kg/set
Material: Chrome steel Gcr15
Cage: Standard steel cage
Precision: Standard ABEC1/P0
Lubrication: Standard grease or oil
Category: Single row taper roller bearing
Interchange: 3780F1/3720, 3780F1/20, 3780F1-20, 3780F1-3720
| Model Number | Dimensions (mm) | Weight (kg) |
| 18790/18723 | 50.800×88.900×20.638 | 0.480 |
| 368/362A | 50.800×88.900×20.638 | 0.510 |
| 368A/362A | 50.800×88.900×20.638 | 0.500 |
| 370A/362A | 50.800×88.900×20.638 | 0.490 |
| 368A/362AX | 50.800×88.900×23.812 | 0.550 |
| 28580/28520 | 50.800×89.980×24.750 | 0.660 |
| 368/362 | 50.800×90.000×20.000 | 0.520 |
| 368/363 | 50.800×90.000×20.000 | 0.550 |
| 368A/362 | 50.800×90.000×20.000 | 0.510 |
| 370A/362A | 50.800×90.000×20.000 | 0.500 |
| 28580/28521 | 50.800×92.075×24.608 | 0.710 |
| 28580/28523 | 50.800×92.075×27.780 | 0.760 |
| 375/374 | 50.800×93.264×20.638 | 0.590 |
| 375-S/374 | 50.400×93.264×20.638 | 0.590 |
| 375/3720 | 50.800×93.264×26.988 | 0.700 |
| 375/3730 | 50.800×93.264×26.988 | 0.720 |
| 3775/3720 | 50.800×93.264×30.162 | 0.850 |
| 3780/3720 | 50.800×93.264×30.162 | 0.800 |
| 3780/3730 | 50.800×93.264×30.162 | 0.850 |
For most of single row taper roller bearing models, we have stock.
There are so many bearing models. As a result, it’s impossible for us to upload all bearing models.
If you don’t find your bearing model numbers on our website, pls feel free to contact us !
Professional Bearing Solution Expert
Jinan TOP Bearing Co., Ltd
Add: 1-2405-4, No. 1825, Hualong Rd., Licheng Dist, Jinan, Shandong, China
Mobile/WhatsApp/Wechat: +8615662712802
Email: supersales@jntopbearing.com
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 Taper Roller 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 Taper Roller 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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