Timken NU design · catalog page 57
NU306ETP
Exact single-row metric cylindrical roller bearing record from Timken's July 2025 catalog.
Published bearing data
Dimensions and ratings
- Design
- NU
- Roller-path diameter F/E
- 40.5 mm
- Static load rating C0
- 50 kN
- Dynamic load rating C1
- 53 kN
- Oil thermal speed
- 8,900 rpm
- Grease thermal speed
- 7,500 rpm
- Weight
- 0.37 kg
- Axial displacement s
- 1.2 mm
- Shaft backing diameter
- 37 mm
- Housing backing diameter
- 65.1 mm
- Geometry factor Cg
- 0.066
- Published row text
- 30.000 72.000 19.000 40.500 50 53 NU306ETP 1.1 1.1 37.0 65.1 1.2 0.066 8900 7500 0.37
Verification boundary
What still needs to match
Internal clearanceTimken notes that radial internal clearance must be included when ordering the complete assembly.
Fits and tolerancesConfirm shaft/housing fits, backing diameters, chamfers, and applicable tolerance class.
Design and cageMatch the N/NJ/NU/NUP arrangement and exact suffix rather than relying only on boundary dimensions.
Operating conditionsCheck load direction, lubrication, speed, temperature, contamination, and axial displacement requirements.
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