7911CTRDULP3 NSK Super Precision Angular Contact Bearing 55x80x13mm (set of 2)
NSK High precision angular contact ball bearing with phenolic cage, 15 degree contact angle, can be paired universal face to face, back to back or in tandem, light preload 55mm inside x 80mm outside x 13mm wide
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High Precision Angular Contact Ball Bearings (standard series) have a line connecting the contact points drawn in the radial direction which is called the contact angle. This contact angle makes the bearing suitable for accommodating radial loads, single direction axial loads and a combination of both, these bearings are generally used in pairs but can also be used in triplex sets, quadruplex sets or multiplex sets,
70xx, 72xx and 79xx series have three types of contact angle 15 degree (C), 25 degree (A5) and 30 degree (A), all come with two types of cage design either phenolic (TR) or polyamide (TYN),
CTR = 15 Degree contact angle
DU = Pair of bearings paired universal
L= Light preload
P3 = Precision rating
d: 55mm
D: 80mm
B: 13mm
Basic load ratings: dynamic 19.1kn, static 17.7kn
Permissible axial load: 11.0kn
Contact angle (degree) 15
Factor: 16.3fo
Effective load center: 15.5mm
Mass: 0.182kg
Limiting speed grease: 17 100
Limiting speed oil: 26 000
70xx, 72xx and 79xx series have three types of contact angle 15 degree (C), 25 degree (A5) and 30 degree (A), all come with two types of cage design either phenolic (TR) or polyamide (TYN),
CTR = 15 Degree contact angle
DU = Pair of bearings paired universal
L= Light preload
P3 = Precision rating
d: 55mm
D: 80mm
B: 13mm
Basic load ratings: dynamic 19.1kn, static 17.7kn
Permissible axial load: 11.0kn
Contact angle (degree) 15
Factor: 16.3fo
Effective load center: 15.5mm
Mass: 0.182kg
Limiting speed grease: 17 100
Limiting speed oil: 26 000