Bearings
Tapered Roller Bearings
Metric Taper Roller Bearings
NTN Metric Taper Roller Bearings
Quick Code: BB-521185
30311 U NTN Tapered Roller Bearing
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Product Specification
Arrangement
Standard version
Cage
Sheet steel cage
Inside Diameter
55mm
Outside Diameter
120mm
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
31.5mm
Reference
30311U
Additional Reference:
10137300
Brand
NTN
Quick Order Code
BB-521185
Product Description
The 30311 U NTN Tapered Roller Bearing is a high-performance precision bearing designed for demanding industrial applications requiring reliable rotational performance and durability.
Key Technical Specifications:
- Inside Diameter: 55mm
- Outside Diameter: 120mm
- Width: 31.5mm
- Arrangement: Standard version
- Roller Configuration: Single row bearing
- Cage Material: Sheet steel cage
- Tolerance Class: P0/PN2 / ABEC 1
- Operating Temperature Range: -40°C to +120°C
Typical Applications:
- Automotive wheel bearings
- Heavy machinery transmission systems
- Industrial gearboxes
- Agricultural equipment
- Construction machinery
As part of NTN's precision tapered roller bearing range, this component offers exceptional load-bearing capacity, high-speed performance, and reliable operation across diverse industrial environments.
