4T-30209 NTN Taper Roller Bearing 45x85x20.75mm
NTN Metric taper roller bearing priced cup & cone together 45mm inside x 85mm outside x 20.75mm width
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From
£19.90
£16.58 exc.VAT
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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 45 mm
D - External diameter 85 mm
B - Bearing/Inner ring width 19 mm
C - Outer ring width 16 mm
T - Total width 20,75 mm
d1 - External diameter inner ring 64 mm
a - Charge load application point 18 mm
rs - Min fillet radius 1,5 mm
r1s - Min fillet radius 1,5 mm
Mass 0,493 kg
ISO 355 reference T3DB045
PRODUCT PERFORMANCE
C - Dynamic load 75 kN
C0 - Static load 78,5 kN
Cu - Fatigue limit load 9,6 kN
A2 - Rating life coefficient 1
e - Coefficient 0.4
Y0 - Static axial load coefficient 0.81
Y2 - Upper axial load coefficient 1.48
Nlim - Oil lubrication limit speed 5900 tr/min
Nlim - Grease lubrication limit speed 4400 tr/min
Tmin - Min operating temperature -40 C
Tmax - Max operating temperature 120 C
ABUTMENT
da max - Max shoulder diameter IR 54 mm
db min - Min IR shoulder diameter 53,5 mm
Da min - Min shoulder diameter OR 74 mm
Da max - Max shoulder diameter OR 76,5 mm
Db min - Min OR shoulder diameter 80 mm
Ca - Min clearance 3 mm
Cb - Min clearance 4,5 mm
ra max - Max fillet radius 1,5 mm
r1a - Max fillet radius 1,5 mm
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 45 mm
D - External diameter 85 mm
B - Bearing/Inner ring width 19 mm
C - Outer ring width 16 mm
T - Total width 20,75 mm
d1 - External diameter inner ring 64 mm
a - Charge load application point 18 mm
rs - Min fillet radius 1,5 mm
r1s - Min fillet radius 1,5 mm
Mass 0,493 kg
ISO 355 reference T3DB045
PRODUCT PERFORMANCE
C - Dynamic load 75 kN
C0 - Static load 78,5 kN
Cu - Fatigue limit load 9,6 kN
A2 - Rating life coefficient 1
e - Coefficient 0.4
Y0 - Static axial load coefficient 0.81
Y2 - Upper axial load coefficient 1.48
Nlim - Oil lubrication limit speed 5900 tr/min
Nlim - Grease lubrication limit speed 4400 tr/min
Tmin - Min operating temperature -40 C
Tmax - Max operating temperature 120 C
ABUTMENT
da max - Max shoulder diameter IR 54 mm
db min - Min IR shoulder diameter 53,5 mm
Da min - Min shoulder diameter OR 74 mm
Da max - Max shoulder diameter OR 76,5 mm
Db min - Min OR shoulder diameter 80 mm
Ca - Min clearance 3 mm
Cb - Min clearance 4,5 mm
ra max - Max fillet radius 1,5 mm
r1a - Max fillet radius 1,5 mm