TIMKEN 30305 bearings

Part Number 30305, Tapered Roller Bearings - TS (Tapered Single) Metric

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Technical specification for TIMKEN 30305

Timken 30305
Dimensions
Part Number	30305
Series	30305M
Cone Part Number	X30305M
Cup Part Number	Y30305M
Design Unit	Metric
Bearing Weight	0.3 Kg 0.60 lb
Cage Material	Stamped Steel
d - Bore	25 mm 0.9843 in
D - Cup Outer Diameter	62 mm 2.4409 in
B - Cone Width	17.000 mm 0.6693 in
C - Cup Width	15.000 mm 0.5906 in
T - Bearing Width	18.250 mm 0.7185 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	1.520 mm 0.060 in
r - Cup Backface "To Clear" Radius	1.52 mm 0.06 in
da - Cone Frontface Backing Diameter	32.5 mm 1.28 in
db - Cone Backface Backing Diameter	34.5 mm 1.36 in
Da - Cup Frontface Backing Diameter	57.66 mm 2.27 in
Db - Cup Backface Backing Diameter	55.12 mm 2.17 in
Ab - Cage-Cone Frontface Clearance	3.3 mm 0.13 in
Aa - Cage-Cone Backface Clearance	-0.5 mm -0.02 in
a - Effective Center Location	-5.1 mm -0.2 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	13900 N 3130 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	53800 N 12100 lbf
C0 - Static Radial Rating	49600 N 11200 lbf
Ca90?- Dynamic Thrust Rating (90 million revolutions)	7160 N 1610 lbf
Factors
K - Factor	1.95
e - ISO Factor	0.3
Y - ISO Factor	2
G1 - Heat Generation Factor (Roller-Raceway)	11.8
G2 - Heat Generation Factor (Rib-Roller End)	8.5
Cg - Geometry Factor	0.0532

Timken 30305, Tapered roller bearings, TS (Tapered Single), Metric, Dimensions: bore: 25 mm, Outer diameter: 62 mm, Bearing width: 18.250 mm.

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