31305 NTN Taper Roller Bearing 25x62x18.25mm
NTN Metric taper roller bearing priced cup & cone together 25mm inside x 62mm outside x 18.25mm width
Regular price
£22.79
inc.VAT
£18.99 exc.VAT
FREE UK MAINLAND DELIVERY ON ORDERS OVER £50
Pickup available at Bearing King
Usually ready in 24 hours
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 25 mm
D - External diameter 62 mm
B - Bearing/Inner ring width 17 mm
C - Outer ring width 13 mm
T - Total width 18,25 mm
d1 - External diameter inner ring 44,5 mm
a - Charge load application point 20,2 mm
rs - Min fillet radius 1,5 mm
r1s - Min fillet radius 1,5 mm
Mass 0,262 kg
ISO 355 reference T7FB025
PRODUCT PERFORMANCE
C - Dynamic load 39 kN
A2 - Rating life coefficient 1
C0 - Static load 39,5 kN
Cu - Fatigue limit load 4,8 kN
e - Coefficient 0.83
Y0 - Static axial load coefficient 0.4
Y2 - Upper axial load coefficient 0.73
Nref - Reference thermal speed 7200 tr/min
Nlim - Mechanical Limit Speed 13000 tr/min
Tmin - Min operating temperature -40 °C
Tmax - Max operating temperature 120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm) 6,298 Hz
BPFI - Characteristic inner ring frequency (60 rpm) 8,701 Hz
FTF - Characteristic cage frequency (60 rpm) 0,419 Hz
BSF - Characteristic rolling element frequency (60 rpm) 5,327 Hz
ABUTMENTda max - Max shoulder diameter IR 34 mm
db min - Min IR shoulder diameter 33,5 mm
Da min - Min shoulder diameter OR 45,5 mm
Da max - Max shoulder diameter OR 53,5 mm
Db min - Min OR shoulder diameter 58,5 mm
Ca - Min clearance 3 mm
Cb - Min clearance 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 25 mm
D - External diameter 62 mm
B - Bearing/Inner ring width 17 mm
C - Outer ring width 13 mm
T - Total width 18,25 mm
d1 - External diameter inner ring 44,5 mm
a - Charge load application point 20,2 mm
rs - Min fillet radius 1,5 mm
r1s - Min fillet radius 1,5 mm
Mass 0,262 kg
ISO 355 reference T7FB025
PRODUCT PERFORMANCE
C - Dynamic load 39 kN
A2 - Rating life coefficient 1
C0 - Static load 39,5 kN
Cu - Fatigue limit load 4,8 kN
e - Coefficient 0.83
Y0 - Static axial load coefficient 0.4
Y2 - Upper axial load coefficient 0.73
Nref - Reference thermal speed 7200 tr/min
Nlim - Mechanical Limit Speed 13000 tr/min
Tmin - Min operating temperature -40 °C
Tmax - Max operating temperature 120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm) 6,298 Hz
BPFI - Characteristic inner ring frequency (60 rpm) 8,701 Hz
FTF - Characteristic cage frequency (60 rpm) 0,419 Hz
BSF - Characteristic rolling element frequency (60 rpm) 5,327 Hz
ABUTMENTda max - Max shoulder diameter IR 34 mm
db min - Min IR shoulder diameter 33,5 mm
Da min - Min shoulder diameter OR 45,5 mm
Da max - Max shoulder diameter OR 53,5 mm
Db min - Min OR shoulder diameter 58,5 mm
Ca - Min clearance 3 mm
Cb - Min clearance 5 mm
ra max - Max fillet radius 1,5 mm
r1a - Max fillet radius 1,5 mm
