7920A5TRDULP3 NSK Super Precision Angular Contact Bearing 100x140x20mm (set of 2)
NSK High precision angular contact ball bearing with phenolic cage, 25 degree contact angle, 100mm inside x 140mm outside x 20mm 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),
A5 = 25 Degree contact angle
DU = Pair of bearings paired universal
L= Light preload
P3 = Precision rating
d: 100mm
D: 140mm
B: 20mm
Basic load ratings: dynamic 47.5kn, static 51.5kn
Permissible axial load: 39.5kn
Contact angle (degree) 25
Factor: - fo
Effective load center: 38.0mm
Mass: 0.808kg
Limiting speed grease: 8 400
Limiting speed oil: 12 500
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),
A5 = 25 Degree contact angle
DU = Pair of bearings paired universal
L= Light preload
P3 = Precision rating
d: 100mm
D: 140mm
B: 20mm
Basic load ratings: dynamic 47.5kn, static 51.5kn
Permissible axial load: 39.5kn
Contact angle (degree) 25
Factor: - fo
Effective load center: 38.0mm
Mass: 0.808kg
Limiting speed grease: 8 400
Limiting speed oil: 12 500