46780/46720CD Double Row Tapered Roller Bearings

Min. Order:	1 Piece/Pieces
Payment Terms:	L/C, T/T, WU
Supply Ability:	100000 Piece/Pieces per Month
Place of Origin:	Zhejiang

Company Profile

NINGBO RUNNING BEARINGS CO.,LTD.

Location:	Ningbo, Zhejiang, China (Mainland)
Business Type:	Manufacturer, Trading Company

Product Detail

Model No.:	46780/46720CD
Means of Transport:	Ocean, Air
Brand Name:	RNB OR NATURAL
Number of Row:	Double row
Type:	Roller bearing
Material of race:	GCr15SiMn-GB/T18254
Material of roller:	GCr15SiMn-GB/T18254
Precision:	Class 2
Production Capacity:	100000 Piece/Pieces per Month
Packing:	RNB OR Industrial packing
Delivery Date:	35 days

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Product Description

Double row tapered roller bearings46780/46720CD

Demension: 158.75*225.425*85.725 mm,Weight: 11kg.

TDO (Two-Row Double-Outer Race)

The configuration of the TDO provides a wide effectivebearingspread, making it ideal for applications in which overturningmomentsare a significant load component. TDO bearings can be used infixedpositions or allowed to float in the housing bore.

Size range:

ID 25.400 mm to 1200.150 mm(1.0000 in.to 47.2500 in.)
OD 30.480 mm to 2460.000 mm (1.2000 in.to 96.8504 in.)

Design Attributes

Double cup and two single cones, with or without a spacer.
When spacers are used, bearing is furnished as a preset, matched assembly.
Cup features groove and lubrication holes in the OD.
Spacers available with or without lubricant grooves and holes.

Applications
Heavy-duty gear drives
Various industrial configurations

Double row tapered roller bearings

Boundary Dimensions							Basicload ratings		Designations	Calculated	Load		Mass	LimitingSpeeds
mm							KN		constant	factors		r/min
d	D	T	B	C	r_1,2_min	r_3,4min	Cr	Cor	e	Y	Y₀	kg	Mass	Grease	Oil
247.650	406.400	115.888	117.475	93.662	6.4	6.4	1610	3150	HH249949/HH249910	0.33	1.8	1	60.00	800	1100
255.625	342.945	57.150	62.080	44.5	6.4	3.3	660	1400	BT1B417708	0.35	1.7	0.9	14.00	850	1200
257.175	342.900	57.150	57.150	44.45	6.4	3.3	660	1400	M349549/M349510	0.35	1.7	0.9	14.00	850	1200
263.525	325.438	28.575	28.575	25.4	1.5	1.5	220	550	38880/38820	0.37	1.6	0.9	53.00	900	1300
266.560	325.438	29.500	33.470	25.48	1	1.5	209	475	BT1B446356A	0.37	1.6	0.9	5.10	900	1300
266.700	325.438	27.755	31.880	25.48	1.5	1.5	209	475	BT1B443884AE	0.37	1.6	0.9	5.10	900	1300
266.700	355.600	57.150	57.150	44.45	3.5	3.3	644	1400	LM451349/LM451310	0.35	1.7	0.9	15.50	850	1200
292.100	374.650	47.625	47.625	34.925	3.5	3.3	501	1140	L555249/L555210	0.4	1.5	0.8	12.00	800	1100
300.000	495.300	141.288	141.288	114.3	6.4	6.4	2330	4550	HH258248/HH258210	0.33	1.8	1	107.00	630	850
304.800	546.100	171.053	171.130	140.17	8	8	3030	5600	BT1B617089B	0.35	1.7	0.9	170.00	600	800
330.200	415.925	47.625	47.625	34.925	3.5	3.5	402	965	BT1B440009	0.5	1.2	0.7	14.30	700	950
330.200	482.600	85.725	80.167	60.325	6.4	3.3	1210	2500	EE526130/526190	0.4	1.5	0.8	48.50	630	850
333.375	469.900	90.488	90.488	71.438	6.4	3.3	1340	2850	HM261049/HM261010	0.33	1.8	1	47.00	630	850
343.154	450.850	66.675	66.675	52.388	8.5	3.5	935	2200	LM361649/LM361610	0.35	1.7	0.9	28.00	670	900
346.075	488.950	95.250	95.250	74.612	6.4	3.3	1420	3150	HM262749/HM262710	0.33	1.8	1	55.00	630	850
355.600	482.600	60.320	55.560	38.1	7	7	572	1200	431884A	0.48	1.25	0.7	26.50	630	850
380.100	480.000	50.000	48.080	35.08	6	4	594	1500	BT1B380/332420	0.5	1.2	0.7	20.50	600	800
384.175	546.100	104.775	104.775	82.55	6.4	6.4	1870	4150	HM266449/HM266410	0.33	1.8	1	77.00	560	750
403.225	460.375	28.575	28.575	20.638	3.5	3.3	246	765	LL566848/LL566810	0.4	1.5	0.8	6.70	600	800
406.400	508.000	61.912	61.912	47.625	3.3	3.3	825	2120	L467549/L467510	0.37	1.6	0.9	26.50	560	750
	574.675	76.200	67.866	50.8	6.8	3.3	935	2040	EE285160/285226	0.5	1.2	0.7	53.50	530	700
	762.000	180.975	161.925	107.95	12.7	12.7	3690	6100	H969249/H969210	0.94	0.64	0.35	320.00	380	500
415.925	590.550	114.300	114.300	88.9	6.4	6.4	2120	4800	M268749/M268710	0.33	1.8	1	120.00	500	670
430.212	603.250	76.200	73.025	50.8	6.4	6.4	1100	2320	EE241693/242375	0.52	1.15	0.6	59.00	500	670
431.800	571.500	89.694	89.770	66.75	6.4	6.4	1450	3450	BT1B328284/HA1	0.44	1.35	0.8	60.00	500	670
431.902	685.698	177.800	177.800	142.95	6.4	6.4	3910	8650	BT1B332900	0.48	1.25	0.7	253.00	430	560
447.675	635.000	120.650	120.650	95.25	6.4	6.4	2380	5500	M270749/M270710	0.33	1.8	1	120.00	450	600
457.200	573.088	74.612	74.612	57.15	6.4	6.4	1120	3000	L570649/L570610	0.4	1.5	0.8	43.50	500	670
	603.250	85.725	84.138	60.325	6.4	3.3	1450	3400	LM770949/LM770910	0.46	1.3	0.7	61.50	480	630
	615.950	85.725	85.725	66.675	6.4	6.4	1470	3800	LM272235/LM272210	0.33	1.8	1	72.00	450	600
	660.400	91.280	85.725	62.705	10.5	6.4	1790	3650	EE737181/737260VQ601	0.37	1.6	0.9	91.00	450	600
479.425	679.450	128.588	128.660	101.680	6.4	6.4	2750	6300	BT1B332529HA1	0.33	1.8	1	145.00	430	560
482.600	634.873	80.962	80.962	63.5	6.4	3.3	1470	3650	EE243190/243250	0.35	1.7	0.9	67.50	450	600
498.399	634.873	80.962	80.962	63.5	6.4	3.3	1470	3650	EE243196ZA/2432250	0.35	1.7	0.9	60.00	450	600
498.475	634.873	80.962	80.962	63.5	6.4	3.3	1470	3650	EE243196/2432250	0.35	1.7	0.9	60.00	450	600
498.653	634.873	80.962	80.962	63.5	6.4	3.3	1470	3650	EE243196AS/2432250	0.35	1.7	0.9	59.50	450	600
520.700	736.600	88.900	81.758	53.975	6.4	3.3	1650	3350	EE982051/982900	0.48	1.25	0.7	100.00	500	530
536.575	761.873	146.050	146.050	114.300	6.4	6.4	3360	8000	M276449/M276410	0.33	1.8	1	208.00	380	500
539.750	635.000	50.800	50.800	38.1	6.4	6.4	781	2160	LL575349/LL575310	0.4	1.5	0.8	27.00	430	560
549.275	692.150	80.963	80.963	61.913	6.4	6.4	825	2120	L476549/L476510	0.37	1.6	0.9	67.00	560	750

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