Tapered Roller Bearings - TDI (Tapered Double Inner)

LM121948D/LM121911 bearing | Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

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LM121948D/LM121911 PDF download

Price：	enquiry
Model Number：	LM121948D/LM121911
Series：	2.5624 in65.085 mm
r - Cup Backface "To Clear" Radius²：	LM121900
Design Units：	0.030 in0.80 mm
Db - Cup Backface Backing Diameter：	Spacer shows standard nominal .01 radii, actual bearing may vary
da - Cone Frontface Backing Diameter：	Imperial

Series	LM121900
Cone Part Number	LM121948D
Cup Part Number	LM121911
Design Units	Imperial
Bearing Weight	7.9 lb3.60 Kg
Cage Type	Stamped Steel
Aa - Cage-Cone Backface Clearance	0 in0 mm
d - Bore	4.25 in107.95 mm
D - Cup Outer Diameter	6.0000 in152.400 mm
B - Double Cone Width	2.5625 in65.088 mm
C - Cup Width	1.1250 in28.575 mm
T - Bearing Width across Cups	2.5624 in65.085 mm
R - Cone Frontface "To Clear" Radius¹	0.030 in0.80 mm
r - Cup Backface "To Clear" Radius²	0.130 in3.3 mm
da - Cone Frontface Backing Diameter	4.53 in115.1 mm
Db - Cup Backface Backing Diameter	5.51 in140.00 mm
Ab - Cage-Cone Frontface Clearance	-0.03 in-0.8 mm
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)³	9810 lbf43600 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)⁴	65900 lbf293000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)⁵	17100 lbf75900 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	4740 lbf21100 N
K - Factor⁷	2.07
e - ISO Factor⁸	0.28
Y1 - ISO Factor⁹	2.39
Y2 - ISO Factor¹⁰	3.56
G1 - Heat Generation Factor (Roller-Raceway)¹¹	218
Cg - Geometry Factor¹²	0.137
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
2MV9305WI	0.30 mm0.012 in	0.30 mm0.012 in	69600 rpm	34800 rpm	4.762500 mm0.18750 in	METRIC
KT 121710EG	12	KT 121710EG	5.3	12	17	6670
7340 FY	200	2.000	5.000	2100	1700	7340FY
ACH580-VCR-03A0-4-Architecture300	137	1.5	R1	VX1-1	268	3
22328KEJW33C3	2.01	3.06	2.06	22328KCJW33C3	1800	1600
23056RHA	4.0	940	700	23056RHA	420	218
LM 132332N F UU AJ	Both side Seal (UU)	Stainless	LM 132332N F UU AJ	Plastic	13	-
RCJT 1 1/4	3.183 lb1.444 Kg	155.6 mm6.126 in	92.1 mm3.626 in	3440 lbf15300 N	1 1/4 in31.8 mm	Industrial
AOH30/750	156.00 Kg	Tr800x7	1:12	15 mm	G1/4	300.00 mm
UCHB212D1	UCHB212D1	M10x1.25	60	25.4	UC212D1	Rp 1 1/4

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