4T-302/28-STPX1 NTN Taper Roller Bearing 28x58x17.25mm

In stock
SKU: 4T-302/28-STPX1-NTN
NTN Metric taper roller bearing priced cup & cone together 28mm inside x 58mm outside x 17.25mm width
Regular price £55.36 inc.VAT
£46.13 exc.VAT
FREE UK MAINLAND DELIVERY ON ORDERS OVER £50

Product details

  • Vendor NTN
  • SKU 4T-302/28-STPX1-NTN
  • Inside diameter (d) 28mm
  • Outside diameter (D) 58mm
  • Width (B) 17.25mm
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 28 mm
D - External diameter 58 mm
B - Bearing/Inner ring width 16 mm
C - Outer ring width 14 mm
T - Total width 17,25 mm
a - Charge load application point 13 mm
rs - Min fillet radius 1 mm
r1s - Min fillet radius 1 mm
Mass 0,203 kg

PRODUCT PERFORMANCE
C - Dynamic load 42 kN
C0 - Static load 44,5 kN
A2 - Rating life coefficient 1
e - Coefficient 0.35
Y0 - Static axial load coefficient 0.93
Y2 - Upper axial load coefficient 1.7
Nlim - Oil lubrication limit speed 8900 tr/min
Nlim - Grease lubrication limit speed 6700 tr/min
Tmin - Min operating temperature -40 C
Tmax - Max operating temperature 120 C

ABUTMENT
da max - Max shoulder diameter IR 33,5 mm
db min - Min IR shoulder diameter 34,5 mm
Da min - Min shoulder diameter OR 49 mm
Da max - Max shoulder diameter OR 52,5 mm
Db min - Min OR shoulder diameter 55 mm
ra max - Max fillet radius 1 mm
r1a - Max fillet radius 1 mm