Tapered Roller Bearings - TDI (Tapered Double Inner)

EE420800D/421437 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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EE420800D/421437 PDF download

Price：	enquiry
Model Number：	EE420800D/421437
Series：	6.2499 in158.747 mm
r - Cup Backface "To Clear" Radius²：	420000
Design Units：	0.130 in3.30 mm
Db - Cup Backface Backing Diameter：	Spacer shows standard nominal .01 radii, actual bearing may vary
da - Cone Frontface Backing Diameter：	Imperial

Series	420000
Cone Part Number	EE420800D
Cup Part Number	421437
Design Units	Imperial
Bearing Weight	148.700 lb67.5 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	8 in203.2 mm
D - Cup Outer Diameter	14.3720 in365.049 mm
B - Double Cone Width	6.0000 in152.400 mm
C - Cup Width	2.5000 in63.500 mm
T - Bearing Width across Cups	6.2499 in158.747 mm
R - Cone Frontface "To Clear" Radius¹	0.130 in3.30 mm
r - Cup Backface "To Clear" Radius²	0.130 in3.3 mm
da - Cone Frontface Backing Diameter	9.06 in230.10 mm
Db - Cup Backface Backing Diameter	12.95 in328.90 mm
Ab - Cage-Cone Frontface Clearance	0.14 in3.6 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	64300 lbf286000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	432000 lbf1920000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	112000 lbf498000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	44200 lbf197000 N
K - Factor⁷	1.45
e - ISO Factor⁸	0.4
Y1 - ISO Factor⁹	1.68
Y2 - ISO Factor¹⁰	2.5
G1 - Heat Generation Factor (Roller-Raceway)¹¹	1150
G2 - Heat Generation Factor (Rib-Roller End)	128
Cg - Geometry Factor¹²	0.145
Note	Spacer shows standard nominal .01 radii, actual bearing may vary

No.	Series	r - Cup Backface "To Clear" Radius²	Design Units	Db - Cup Backface Backing Diameter	da - Cone Frontface Backing Diameter	D - Cup Outer Diameter
22348EKW33	240	5.0	151.00	1200	1000	500
CFKRE 22 R	16.0	CFKRE 22 R	47.0	22	5430	6890
NUP2312	60	2.1	2.1	NUP2312	2.710	5 700
FIR-222820	22	FIR-222820	38.0	28	FJL-2820L	FJ-2820
VTU 3/4	3.02 lb1.37 Kg	100.8 mm3.969 in	92.1 mm3.626 in	1460 lbf6500 N	34.1 mm1.343 in	13.5 mm0.531 in
23160EMBW33W40W45AC2	2.2	3.35	2.25	760	680	4.000 mm0.160 in
4T-385/382A	55.000	0.8	2.3	4T-385/382A	0.62	96.840
56170	56170	147.955	142.875	184.150	34.696	16.510
TRC-3446	0.035 / 0.078	2 1/8	53.98 / 2.125	53.90 / 2.122	53.98 / 2.125	2.34 / 0.092
KT 323820	32	KT 323820	31.5	32	38	24800

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