Bearings
Tapered Roller Bearings
Metric Taper Roller Bearings
NTN Metric Taper Roller Bearings
Quick Code: BB-521280
4T-30203 NTN Tapered Roller Bearing
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Product Specification
Arrangement
Standard version
Cage
Sheet steel cage
Inside Diameter
17mm
Outside Diameter
40mm
Product range
Complete tapered roller bearing
Roller rows
Single row bearing
Temperature range
-40 to +120 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
13.25mm
Reference
4T-30203
Additional Reference:
10137517
Brand
NTN
Quick Order Code
BB-521280
Product Description
The 4T-30203 NTN Tapered Roller Bearing is a high-performance precision bearing designed for compact and reliable rotational applications requiring exceptional mechanical performance.
Key Technical Specifications:
- Reference Number: 4T-30203
- Brand: NTN
- Inside Diameter: 17mm
- Outside Diameter: 40mm
- Width: 13.25mm
- Roller Configuration: Single row bearing
- Cage Material: Sheet steel cage
- Arrangement: Standard version
- Tolerance Class: P0/PN2 / ABEC 1
- Operational Temperature Range: -40°C to +120°C
Typical Applications:
- Small precision machinery
- Automotive components
- Electric motors
- Compact industrial equipment
- Robotics and automation systems
- Precision instrumentation
This NTN tapered roller bearing offers outstanding load-bearing capacity and consistent performance in a compact design, making it ideal for applications requiring precise rotational support across a wide temperature range.

