TIMKEN 30307 bearings

Part Number 30307, Tapered Roller Bearings - TS (Tapered Single) Metric

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Technical specification for TIMKEN 30307

Timken 30307
Dimensions
Part Number	30307
Series	30307M
Cone Part Number	X30307M
Cup Part Number	Y30307M
Design Unit	Metric
Bearing Weight	0.5 Kg 1.2 lb
Cage Material	Stamped Steel
d - Bore	35 mm 1.3780 in
D - Cup Outer Diameter	80 mm 3.1496 in
B - Cone Width	21.000 mm 0.8268 in
C - Cup Width	18.000 mm 0.7087 in
T - Bearing Width	22.750 mm 0.8957 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	43.5 mm 1.71 in
db - Cone Backface Backing Diameter	46.5 mm 1.83 in
Da - Cup Frontface Backing Diameter	75.90 mm 2.99 in
Db - Cup Backface Backing Diameter	71.88 mm 2.83 in
Ab - Cage-Cone Frontface Clearance	4.3 mm 0.17 in
Aa - Cage-Cone Backface Clearance	0 mm 0 in
a - Effective Center Location	-5.8 mm -0.23 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)	22600 N 5080 lbf
C1 - Dynamic Radial Rating (1 million revolutions)	87200 N 19600 lbf
C0 - Static Radial Rating	86100 N 19300 lbf
Ca90?- Dynamic Thrust Rating (90 million revolutions)	12200 N 2740 lbf
Factors
K - Factor	1.85
e - ISO Factor	0.31
Y - ISO Factor	1.9
G1 - Heat Generation Factor (Roller-Raceway)	22.9
G2 - Heat Generation Factor (Rib-Roller End)	12.6
Cg - Geometry Factor	0.0675

Timken 30307, Tapered roller bearings, TS (Tapered Single), Metric, Dimensions: bore: 35 mm, Outer diameter: 80 mm, Bearing width: 22.750 mm.

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