4T-25580/25522 NTN Taper Roller Bearing 44.45x83.06x23.88mm

NTN taper roller bearings are precision-engineered components designed to facilitate smooth rotational motion in various mechanical systems, particularly in applications where radial and axial loads need to be accommodated simultaneously. These bearings feature an inner ring (cone), an outer ring (cup), tapered rollers, and a cage assembly.

NTN taper roller bearings offer several advantages:

- High Load Capacity: The tapered design and robust construction enable these bearings to withstand heavy radial and axial loads, making them suitable for demanding applications.
- Precision Engineering: NTN's manufacturing processes ensure consistent quality and precision tolerances, resulting in reliable performance and extended service life.
- Reduced Friction: The tapered roller configuration minimizes frictional resistance, contributing to improved efficiency and energy savings.
- Versatility: These bearings are available in various sizes and configurations to suit diverse industrial applications, including automotive, aerospace, construction, and manufacturing.

Overall, NTN taper roller bearings are renowned for their durability, reliability, and exceptional performance in challenging operating conditions. They play a crucial role in enhancing the efficiency and reliability of machinery across various industries.

Brand	NTN
d - Internal diameter	44,45 mm
D - External diameter	83,058 mm
B - Bearing/Inner ring width	25,4 mm
C - Outer ring width	19,114 mm
T - Total width	23,876 mm
a - Charge load application point	17,7 mm
rs - Min fillet radius	3,5 mm
r1s - Min fillet radius	2 mm
Mass	0,55 kg

PRODUCT PERFORMANCE
C - Dynamic load	84,5 kN
C0 - Static load	98 kN
A2 - Rating life coefficient	1
e - Coefficient	0.33
Y0 - Static axial load coefficient	0.99
Y2 - Upper axial load coefficient	1.79
N lim - Oil lubrication limit speed	6000 tr/min
N lim - Grease lubrication limit speed	4500 tr/min
Tmin - Min operating temperature	-40 °C
Tmax - Max operating temperature	120 °C

ABUTMENT
da max - Max shoulder diameter IR	50 mm
db min - Min IR shoulder diameter	57 mm
Da max - Max shoulder diameter OR	77 mm
Db min - Min OR shoulder diameter	73 mm
ra max - Max fillet radius	3,5 mm
r1a - Max fillet radius	2 mm