Angular contact ball bearings, super-precision 71948 CD/P4AL
Bearing number : 71948 CD/P4AL
Size (mm) : 240x320x38
Brand : SKF
Bore Diameter (mm) : 240
Outer Diameter (mm) : 320
Width (mm) : 38
Bearing dimensions and specification in SKF catalogue:
d - 240 mm
D - 320 mm
B - 38 mm
d1 - 264.7 mm
d2 - 264.7 mm
D1 - 295.3 mm
b - 3.5 mm
C1 - 20.9 mm
C2 - 7.1 mm
C3 - 5.45 mm
r1,2 - min. - 2.1 mm
r3,4 - min. - 1 mm
a - 56.6 mm
da - min. - 251 mm
db - min. - 251 mm
Da - max. - 309 mm
Db - max. - 315 mm
ra - max. - 2 mm
rb - max. - 1 mm
dn - 271.4 mm
Basic dynamic load rating - C - 229 kN
Basic static load rating - C0 - 325 kN
Fatigue load limit - Pu - 8.2 kN
Limiting speed for grease lubrication - 3800 r/min
Limiting speed for oil lubrication - 5600 mm/min
Ball - Dw - 25.4 mm
Ball - z - 31
Gref - 93 cm3
Calculation factor - f0 - 16.7
Preload class A - GA - 860 N
Preload class B - GB - 1720 N
Preload class C - GC - 3440 N
Preload class D - GD - 6880 N
Calculation factor - f - 1.32
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.09
Calculation factor - f2D - 1.15
Calculation factor - fHC - 1
Preload class A - 237 N/micron
Preload class B - 325 N/micron
Preload class C - 461 N/micron
Preload class D - 678 N/micron
Mass bearing - 8.5 kg
SKF | Bearing Servi
SKF's fundamental strength is the ability to continuously develop new technologies – then use them to create products that offer competitive advantages to our customers. SKF achieves this by combining hands-on experience in over 40 industries with knowledge across the SKF technology platforms: bearings and units, seals, mechatronics ...
Welcome to SKF - skf-us.ptplace.c
Bearing housing and housing accessories. Combined bearing. Unit Ball bearing. Plain bearing. ... SKF full library. Find a Distributor. Looking for a local supplier for your parts? Search by zip code to lookup Distributors near you! Have a question? Chat with Customer Solutions between 9:00 to 5:00 ET.
Bearing Seals - S
Seals used in bearings can be a significant contributor due to the friction generated. SKF has addressed this issue with new designs and bearing seals materials which provide reduced friction and longer service life, keeping lubricants in and contaminants out. SKF can provide sealing solutions for several types of bearing applications including:
Skf Ball Bearings in Delhi - Manufacturers and Suppliers Ind
Find Skf Ball Bearings manufacturers, Skf Ball Bearings suppliers, exporters, wholesalers and distributors in Delhi India - List of Skf Ball Bearings selling companies from Delhi with catalogs, phone numbers, addresses & prices for Skf Ball Bearings.
skf, skf bearings, skf seals, skf distributor, skf suppli
SKF has more than 100 years of experience in various industries and applications, and is the only company that can support key aspects of the sealing system through its knowledge of bearings, seals, lubrication and associated science and technology.
SKF bearing_NSK bearing_FAG bearing_NTN bearing_INAbearing .
WARD bearing (www.wardbearing.com) supplies mainly deals with SKF bearings,FAG bearings, INA bearings,TIMKEN bearing,NSK bearings and KOYO bearings ,we are as world famous bearing supplier,bearing agent,distributor and bearing exporter in China.
SKF | Bearings, Units and Housings, Ball Bearin
SKF. Chances are you know SKF for the bearings that keep your equipment running smoothly and efficiently. And with good reason: SKF bearings set the world standard for quality and reliability and are original equipment components in industrial machinery of every kind – motors, pumps, fans, gearboxes, conveyors, machine tool spindles and more.
Skf Ball Bearings - Manufacturers, Suppliers & Exporters .
Find here information of Skf Ball Bearings selling companies for your buy requirements. Contact verified Skf Ball Bearings Manufacturers, Skf Ball Bearings suppliers, Skf Ball Bearings exporters wholesalers, producers, retailers and traders in India.