CR 3878 SKF SKF LIP SEAL

C90 - Dynamic Radial Rating (90 million revolutions)5	9390 lbf
da - Cone Frontface Backing Diameter	3.35 in
db - Cone Backface Backing Diameter	3.58 in
Series	42600
Ca90 - Dynamic Thrust Rating (90 million revolutions)7	6730 lbf
a - Effective Center Location4	-0.11 in
d	3.0625 in
C1 - Dynamic Radial Rating (1 million revolutions)6	36200 lbf
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0.12 in
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1	63100 lbf
C0 - Static Radial Rating	49800 lbf
G1 - Heat Generation Factor (Roller-Raceway)	96.2
B - Cone Width	1.2205 in
R - Cone Backface To Clear Radius3	0.14 in
Cg - Geometry Factor	0.120
Cone Part Number	42690
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2	16300 lbf
Design Units	Imperial
Ab - Cage-Cone Frontface Clearance	0.06 in

CR 3878 SKF SKF LIP SEAL cross reference chart
No.	Brand	e	d	T	B	C	R	r	D
3878/3820	Timken	-	36,512 mm	30,162 mm	30,162 mm	23,812 mm	0,8 mm	3,3 mm	85,725 mm
3878-2	TIMKEN	-	1.438 Inch \| 36.525 Millimeter	-	1.188 Inch \| 30.175 Millimeter	-	-	-	0 Inch \| 0 Millimeter
3878A-2	TIMKEN	-	1.438 Inch \| 36.525 Millimeter	-	1.188 Inch \| 30.175 Millimeter	-	-	-	0 Inch \| 0 Millimeter
3878-70016/3820-2C024	TIMKEN	-	-	-	-	-	-	-	-
NP238787-2	TIMKEN	-	13.125 Inch \| 333.375 Millimeter	-	3.563 Inch \| 90.5 Millimeter	-	-	-	0 Inch \| 0 Millimeter
538787	FAG BEARING	-	-	-	-	-	-	-	-
3878-20016	Timken	-	1.4375 in	-	-	-	-	-	-
3878A-20024	Timken	-	1.4375 in	-	-	-	-	-	-
3878/20	KOYO	0.40	36.512	30.162	30.162	23.812	-	-	85.725
3878	TIMKEN	-	1.4375 in	-	-	-	-	-	-
3878A	TIMKEN	-	1.4375 in	-	-	-	-	-	-

Product Features