28990/28921 单列圆锥滚子轴承 USA 美国

Bearing Type	TRB
Bearing Subtype	TS
Series	28900
Cone	28990
Cup	28921
Cone Hardening Type	Case carburized
Cup Hardening Type	Case carburized
Cone Bore Diameter (d)	61.976	mm
Cup Outside Diameter (D)	100.000	mm
Bearing Width (T)	24.608	mm
C90 (1-Row Basic Radial Rating for 90M Rev.)	25.5	kN
C90(2) (2-Row Basic Radial Rating for 90M Rev.)	44.3	kN
C90(4) (4-Row Basic Radial Rating for 90M Rev.)	88.6	kN
C1 (1-Row Basic Radial Rating for 1M Rev.)	98.2	kN
C1(2) (2-Row Basic Radial Rating for 1M Rev.)	171	kN
C1(4) (4-Row Basic Radial Rating for 1M Rev.)	342	kN
Ca90 (1-Row Basic Thrust Rating for 90M Rev.)	18.5	kN
C(0) (Static Radial Rating)	149	kN
Ca(0) (Static Thrust Rating)	185	kN
K (.39 / Tan(contact angle))	1.37
e (1.5 * Tan(contact angle))	0.43
Y (0.4 / Tan(contact angle))	1.41
Cone Width	24.608	mm
Max Shaft Fillet Radius	2.0	mm
Cone BF Backing Diameter	72.0	mm
Cone FF Backing Diameter	68.0	mm
Min cage clearance inside cone BF	1.2	mm
Max cage clearance outside cone FF	1.4	mm
Cup Width	19.845	mm
Max Housing Fillet Radius	3.3	mm
Cup BF Backing Diameter	89.0	mm
Cup FF Backing Diameter	96.0	mm