4T-25577/25520 NTN Taper Roller Bearing 42.88x82.93x23.81mm

In stock
SKU: 4T-25577/25520-NTN
NTN hardened steel taper roller bearing priced cup & cone together 42.88mm inside x 82.93mm outside x 23.81mm width
Regular price £25.60 inc.VAT
£21.33 exc.VAT
FREE UK MAINLAND DELIVERY ON ORDERS OVER £50

Product details

  • Vendor NTN
  • SKU 4T-25577/25520-NTN
  • Inside diameter (d) 42.88mm
  • Outside diameter (D) 82.93mm
  • Width (B) 23.81mm
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.

d - Internal diameter 42,875 mm
D - External diameter 82,931 mm
B - Bearing/Inner ring width 25,4 mm
C - Outer ring width 19,05 mm
T - Total width 23,812 mm
d1 - External diameter inner ring 63 mm
a - Charge load application point 17,612 mm
Mass 0,582 kg

PRODUCT PERFORMANCE
C - Dynamic load 84,5 kN
C0 - Static load 98 kN
Cu - Fatigue limit load 12 kN
A2 - Rating life coefficient 1
e - Coefficient 0.33
Y0 - Static axial load coefficient 0.99
Y2 - Upper axial load coefficient 1.79
Nlim - Oil lubrication limit speed 6000 tr/min
Nlim - 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 49 mm
db min - Min IR shoulder diameter 55 mm
Da max - Max shoulder diameter OR 74 mm
Db min - Min OR shoulder diameter 77 mm
ra max - Max fillet radius 3,5 mm
r1a - Max fillet radius 0,8 mm