TIMKEN 30309 bearings

Part Number 30309, Tapered Roller Bearings - TS (Tapered Single) Metric

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Technical specification for TIMKEN 30309

Timken 30309
Dimensions
Part Number	30309
Series	30309M
Cone Part Number	X30309M
Cup Part Number	Y30309M
Design Unit	Metric
Bearing Weight	1 Kg 2.2 lb
Cage Material	Stamped Steel
d - Bore	45 mm 1.7717 in
D - Cup Outer Diameter	100 mm 3.9370 in
B - Cone Width	25.000 mm 0.9843 in
C - Cup Width	22.000 mm 0.8661 in
T - Bearing Width	27.250 mm 1.0728 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius	2.030 mm 0.08 in
r - Cup Backface "To Clear" Radius	1.52 mm 0.06 in
da - Cone Frontface Backing Diameter	56 mm 2.2 in
db - Cone Backface Backing Diameter	59 mm 2.32 in
Da - Cup Frontface Backing Diameter	93.00 mm 3.68 in
Db - Cup Backface Backing Diameter	88.90 mm 3.50 in
Ab - Cage-Cone Frontface Clearance	4.3 mm 0.17 in
Aa - Cage-Cone Backface Clearance	0.3 mm 0.01 in
a - Effective Center Location	-6.1 mm -0.24 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	33500 N 7530 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	129000 N 29000 lbf
C0 - Static Radial Rating	139000 N 31300 lbf
Ca90?- Dynamic Thrust Rating (90 million revolutions)	19800 N 4450 lbf
Factors
K - Factor	1.69
e - ISO Factor	0.35
Y - ISO Factor	1.74
G1 - Heat Generation Factor (Roller-Raceway)	41.9
G2 - Heat Generation Factor (Rib-Roller End)	18.4
Cg - Geometry Factor	0.0851

Timken 30309, Tapered roller bearings, TS (Tapered Single), Metric, Dimensions: bore: 45 mm, Outer diameter: 100 mm, Bearing width: 27.250 mm.

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