4T-30306 NTN Taper Roller Bearing 30x72x20.75mm
NTN Metric taper roller bearing priced cup & cone together 30mm inside x 72mm outside x 20.75mm width
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£17.40
£14.50 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 30 mm
D - External diameter 72 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 49,5 mm
a - Charge load application point 15 mm
rs - Min fillet radius 1,5 mm
r1s - Min fillet radius 1,5 mm
Mass 0,404 kg
ISO 355 reference T2FB030
PRODUCT PERFORMANCE
C - Dynamic load 66,5 kN
C0 - Static load 61 kN
Cu - Fatigue limit load 7,4 kN
A2 - Rating life coefficient 1
e - Coefficient 0.31
Y0 - Static axial load coefficient 1.05
Y2 - Upper axial load coefficient 1.9
Nlim - Oil lubrication limit speed 7600 tr/min
Nlim - Grease lubrication limit speed 5700 tr/min
Tmin - Min operating temperature -40 C
Tmax - Max operating temperature 120 C
ABUTMENT
da max - Max shoulder diameter IR 40 mm
db min - Min IR shoulder diameter 38,5 mm
Da min - Min shoulder diameter OR 62 mm
Da max - Max shoulder diameter OR 63,5 mm
Db min - Min OR shoulder diameter 66 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 30 mm
D - External diameter 72 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 49,5 mm
a - Charge load application point 15 mm
rs - Min fillet radius 1,5 mm
r1s - Min fillet radius 1,5 mm
Mass 0,404 kg
ISO 355 reference T2FB030
PRODUCT PERFORMANCE
C - Dynamic load 66,5 kN
C0 - Static load 61 kN
Cu - Fatigue limit load 7,4 kN
A2 - Rating life coefficient 1
e - Coefficient 0.31
Y0 - Static axial load coefficient 1.05
Y2 - Upper axial load coefficient 1.9
Nlim - Oil lubrication limit speed 7600 tr/min
Nlim - Grease lubrication limit speed 5700 tr/min
Tmin - Min operating temperature -40 C
Tmax - Max operating temperature 120 C
ABUTMENT
da max - Max shoulder diameter IR 40 mm
db min - Min IR shoulder diameter 38,5 mm
Da min - Min shoulder diameter OR 62 mm
Da max - Max shoulder diameter OR 63,5 mm
Db min - Min OR shoulder diameter 66 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