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NINGBO RUNNING BEARINGS CO.,LTD.

[Province: Zhejiang ]

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M284230T/246TD/249T/210D Four-Row Tapered Roller Bearings

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M284230T/246TD/249T/210D Four-Row Tapered Roller Bearings

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Product Details
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Product Reviews

Basic Info.

Brand Name: RNB OR NATURAL
Number of Row: Four row
Type: Roller bearing
Material of race: G20Cr2Ni4A-GB/T3203
Material of roller: G20Cr2Ni4A-GB/T3203
Precision: Class 2
Model No.: M284230T/246TD/249T/210D
Place of Origin: Zhejiang
Min.Order: 1 Piece/Pieces
Means of Transport: Ocean, Air

Supply Capacity

Production Capacity: 100000 Piece/Pieces per Month
Packing:RNB OR Industrial packing
Delivery Date: 35 days

Four-Row Tapered Roller Bearings M284230T/246TD/249T/210D

Dimension: 777.875*1079.5*755.65mm, Weight: 2599kg.

Four-row tapered roller bearings provide maximumcapacity in minimum space, combining the inherenthigh-load,radial/thrustcapacity and direct/indirect mounting variables of tapered roller bearings.

Their main application is on the roll necks of rolling millequipment.Allfour-row bearings are supplied as pre-set matched assemblies with all components identified to ensure correct installation sequence.

TQO (Straight Bore Four-Row Assembly)

TQO bearings are directly mounted and comprised of two double innerraces, two single and one double outer race, with an inner race spacerand two outer race spacers.

Slots in the inner race spacer permit lubricant to flow from the bearing chamber to the roll neck.The inner race spacers are hardened tominimize face wear.

Size range:
ID 50.800 mm to 1500.000 mm (2.0000 in. to 59.0551 in.)
OD 83.337 mm to 2032.000 mm (3.2810 in. to 80.0000 in.)

Design Attributes

Two double cones, two single cups and a double cup with a cone spacer and two cup spacers.
Spacers have slots or holes for lubrication.
Cone spacers are hardened to reduce face wear.
Numbered serially to assure correct installation sequence.

Boundary Dimensions												Basicload ratings		Designations	Mass
d		D		T		B		r_min(Axial)	r_min(Radial)	r_1min(Axial)	r_1min(Radial)	Cr	Cor		kg
mm	in	mm	in	mm	in	mm	in	mm				KN			kg
460*		625		421		421		3	3	9	9	8050	18400	M271149D/M271110-M271110D	375
		625*		421		421		1.5	1.5	6.4	6.4	6450	16900	M271149DW/M271110-M271110D-XRS/C9YB2	366
462	18.189	596.9	23.5	330.2	13	330.2	13	3.3	3.3	6.4	6.4	5400	14500	3806/462	276
479.425	18.875	679.45	26.75	495.3	19.5	495.3	19.5	3.3	3.3	6.4	6.4	9850	25000	M272749D/M272710-M272710D	586
482.6	19	615.95	24.25	330.2	13	330.2	13	6.4	6.4	6.4	6.4	4860	15200	LM272249DW/LM272210-LM272210D	252
		615.95	24.25	400		400		5.3	5.3	6.4	6.4	4700	16000	3806/482.6-XRS/HCEC9YAB	299
		615.95	24.25	406.4	16	330.2	13	1	1	6.4	6.4	4860	15200	3806/482.6-1	251
		615.95	24.25	419.1	16.5	330.2	13	3.5	3.5	6.4	6.4	5000	15200	3806/482.6-2	263
		615.95	24.25	402.05	15.8287	402.05	15.8287	1	1	6.4	6.4	4800	13600	3806/482.6-3	246
		615.95	24.25	420	16.5354	420	16.5354	1	1	6.4	6.4	5500	17100	3806/482.6-4	292
		630	24.8031	420	16.5354	420	16.5354	3.3	3.3	6.4	6.4	6400	19000	3806/482.6-5	343
		635	25	421	16.5748	421	16.5748	3	3	6.4	6.4	7250	20200	M272449D/M272410-M272410D	362
		647.7	25.5	417.512	16.4375	417.512	16.4375	3.3	3.3	6.4	6.4	7200	19800	M272647DW-M272610-M272610D	401
		622.3	24.5	365.125	14.375	365.125	14.375	3	3	3	3	5500	17000	3806/488X4	266
489.026	19.253	634.873	24.995	320.675	12.625	320.675	12.625	3.3	3.3	3.3	3.3	4750	12000	LM772749DW/LM772710-LM772710D	249
501.65	19.75	673.1	26.5	400.05	15.75	387.35	15.25	3.3	3.3	6.4	6.4	7000	19000	EE641198D/641265-641266D	687
		711.2	28	520.7	20.5	520.7	20.5	3.3	3.3	6.4	6.4	9690	26900	M274149DW/M274110-M274110D	687
508	20	695.325	27.375	415.925	16.375	415.925	16.375	3.3	3.3	6.4	6.4	5800	19600	LM274049DW/LM274010-LM274010D	464
		762	30	463.55	18.25	463.55	18.25	6.4	6.4	6.4	6.4	9800	27000	EE531201D/531300-531301XD	750
514.35	20.25	673.1	26.5	422.275	16.625	422.275	16.625	3.3	3.3	6.4	6.4	7000	21000	LM274449DW/LM274410-LM274410D	408
519.112	20.438	736.6	29	536.575	21.125	536.575	21.125	3.3	3.3	6.4	6.4	10800	30000	LM275349D/LM275310-LM275310XD	748
520.7	20.5	711.2	28	400.05	15.75	400.05	15.75	3.3	3.3	6.4	6.4	7200	19500	LM275349D/LM275310-LM275310XD	459
536.575	21.125	761.873	29.995	558.8	22	558.8	22	3.3	3.3	6.4	6.4	10800	31500	M276449DW/M276410-M276410D	832
558.8	22	736.6	29	322.265	12.6876	322.268	12.6877	3.3	3.3	6.4	6.4	6200	16000	EE8432DW/843290-843291D	372
		736.6	29	409.575	16.125	409.575	16.125	3.3	3.3	6.4	6.4	6450	19800	LM377449DW/LM377410-LM377410D	478
		736.6	29	455.612	17.9375	457.2	18	3.3	3.3	6.4	6.4	8400	23000	LM277149DA/LM277110-LM277110D	520
571.5	22.5	812.8	32	593.725	23.375	593.725	23.375	3.3	3.3	6.4	6.4	11800	31500	M278749DW/M278710-M278710D	998
584.2	23	730.25	28.75	342.9	13.5	349.25	13.75	1.5	1.5	3.3	3.3	6600	16500	3806/584.2	328
		762	30	396.875	15.625	401.638	15.8125	3.3	3.3	6.4	6.4	7500	22300	LM778549DW/LM778510-LM778510D	486
		901.7	35.5	523.08	20.5937	539.747	21.2499	3.3	3.3	9.7	9.7	12800	27500	EE665231D/665355-665336D	1250
558.8	22	736.6	29	409.575	16.125	409.575	16.125	3.3	3.3	6.4	6.4	6430	20500	LM377449D/LM377410-LM377410D/HE	460
		736.6	29	409.575	16.125	409.575	16.125	3.3	3.3	6.4	6.4	6430	20500	LM377449D/LM377410-LM377410D/HEC9	460
585.788	23.063	771.525	30.375	479.425	18.875	479.425	18.875	3.3	3.3	6.4	6.4	9000	24200	LM278849D/LM278810-LM278810D-XRS	600
		771.525	33.25	479.425	24.25	479.425	24.25	3.3	3.3	6.4	6.4	10000	29800	LM278849D/LM278810-LM278810D	621
595.312	23.438	844.55	33.25	615.95	24.25	615.95	24.25	3.3	3.3	6.4	6.4	17200	38500	M280049D/M280010-M280010D	1180
596.9	23.5	980	38.5827	604.838	23.8125	609.6	24	6.4	6.4	12.7	12.7	16000	36000	3806/596.9	1910
603.25	23.75	857.25	33.75	622.3	24.5	622.3	24.5	8.7	12.7	8.3	6.5	14000	38900	M280249DWA6/M280210A6-M280210D	1168
		857.25	33.75	622.3	24.5	622.3	24.5	3.3	3.3	6.4	6.4	14000	38900	M280249D/M280210-M280210XD	1168
609.6	24	787.4	31	361.95	14.25	361.95	14.25	3.3	3.3	6.4	6.4	7100	22000	EE649241D/649310-649311D	460
		813.562	32.03	622.3	24.5	622.3	24.5	3.3	3.3	6.4	6.4	10500	30000	3806/609.6	716
		863.6	34	660.4	26	660.4	26	3.3	3.3	6.4	6.4	14800	41000	M280349D/M280310-M280310D	1230
635	25	901.7	35.5	654.05	25.75	654.05	25.75	3.3	3.3	6.4	6.4	15000	44500	M281049D/M281010-M281010D	1430
646.112	25.438	857.25	33.75	542.925	21.375	542.925	21.375	3.3	3.3	6.4	6.4	11300	33500	LM281049DW/LM281010-LM281010D	859
657.225	25.875	933.45	36.75	676.275	26.625	676.275	26.625	3.3	3.3	6.4	6.4	16500	48500	M281649D/M281610-M281610D	1580
660.4	26	812.8	32	356.125	14.375	356.125	14.375	3.3	3.3	6.4	6.4	5300	19800	L281149DW/L281110-L281110D	403
679.45	26.75	901.7	35.5	552.45	21.75	552.45	21.75	3.3	3.3	6.4	6.4	12800	38500	LM281849DW/LM281810-LM281810D	980
682.625	26.875	965.2	38	701.675	27.625	701.675	27.625	3.3	3.3	6.4	6.4	17400	50000	M282249D/M282210-M282210D	1714
685.8	27	876.3	34.5	352.425	13.875	355.6	14	SP	SP	6.4	6.4	5800	14500	3806/685.8-XRS/HCC9	490
		876.3	34.5	352.425	13.875	355.6	14	3.3	3.3	6.4	6.4	7500	19800	EE655271DW/655345-655346D	506
708.025	27.875	930.275	36.625	565.15	22.25	565.15	22.25	3.3	3.3	SP	SP	12000	38500	LM282549DW/LM282510-LM282510D	1040
711.2	28	914.4	36	317.5	12.5	317.5	12.5	3.3	3.3	6.4	6.4	7000	19200	EE755281D/755360-755361D	524
		914.4	36	390		390		SP	SP	7.5	7.5	7900	20100	3806/711X4-XRS	620
714.375	28.125	1016	40	704.85	27.75	704.85	27.75	3.3	3.3	6.4	6.4	18500	52500	M383240DGW/M383210-M383210D	1940
717.55	28.25	946.15	37.25	565.15	22.25	565.15	22.25	3.3	3.3	6.4	6.4	13000	40000	LM282847DW/M282810-M282810D	1080
730.25	28.75	1035.05	40.75	755.65	29.75	755.65	29.75	3.3	3.3	6.4	6.4	19800	20200	M283449DW/M283410-M283410D	2160
749.3	29.5	990.6	39	605	23.8189	605	23.8189	3.3	3.3	6.4	6.4	14500	45000	LM283649D/LM283610-LM283610D	1240
		1066.8	42	723.9	28.5	736.6	29	SP	SP	12.7	12.7	19500	58000	EE325296DGW/325420-325421XD	2240
762	30	1066.8	42	723.9	28.5	736.6	29	SP	SP	12.7	12.7	21000	58000	M284148DW/M284111-M284110D	2100
		1079.5	42.5	787.4	31	787.4	31	4.8	4.8	12.7	12.7	21800	65000	M284249DW/M284210-M284210D	2490
812.8	32	1143	45	768.35	30.25	768.35	30.25	6.4	6.4	12.7	12.7	21000	62500	3806/812.8	2600
825.5	32.5	1168.4	46	844.55	33.25	844.55	33.25	4.8	4.8	12.7	12.7	25600	76000	M285848DW/M285810-M285810D	3040
863.6	34	1130.3	44.5	669.925	26.375	669.925	26.375	4.8	4.8	12.7	12.7	19500	61500	LM286249DW/LM286210-LM286210D	2000
		1169.99	46.0625	844.55	33.25	844.55	33.25	4.8	4.8	12.7	12.7	23200	76000	3806/863.6	2690
		1181.1	46.5	666.75	26.25	666.75	26.25	4.8	4.8	12.7	12.7	20000	56500	LM286449D/LM286410-LM286410D	2140
		1219.2	48	876.3	34.5	889	35	4.8	4.8	12.7	12.7	27900	81000	EE547341D/547480-547481D	3480
877.888	34.563	1220	48.0315	844.55	33.25	844.55	33.25	4.8	4.8	12.7	12.7	25000	76000	3806/877X4	3090
901.7	35.5	1295.4	51	901.7	35.5	914.4	36	4.8	4.8	12.7	12.7	30000	86000	EE634356D/634510-634510D	4180
938.213	36.938	1270	50	825.5	32.5	825.5	32.5	4.8	4.8	12.7	12.7	25500	81000	LM287649D/LM287610-LM287610D	3220
939.8	37	1333.5	52.5	952.5	37.5	952.5	37.5	4.8	4.8	12.7	12.7	31500	94500	LM287849DW/LM287810-LM287810D	4500
1003.3	39.5	1358.9	53.5	800.1	31.5	800.1	31.5	4.8	4.8	12.7	12.7	27200	81000	3806/1003.3	3460
1139.83	44.875	1509.71	59.4375	923.925	36.375	923.925	36.375	4.8	4.8	12.7	12.7	33000	106000	3806/1139X4	4850
1200.15	47.25	1593.85	62.75	990.6	39	990.6	39	4.8	4.8	12.7	12.7	37500	124000	LM288949D/LM288910-LM288910D	5640
1346.2	53	1729.74	68.1	1143	45	1143	45	5	5	12	12	49000	162000	3806/1346.2	6970

Applications

Low- and medium-speed rolling mills

Four-Row Tapered Roller Bearings

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Contact Method

NINGBO RUNNING BEARINGS CO.,LTD.

High-tech industrial zones, Ningbo, Zhejiang, China (Mainland)

Fax: 86-574-87916965

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M284230T/246TD/249T/210D Four-Row Tapered Roller Bearings

Model No.:	M284230T/246TD/249T/210D
Brand Name:	RNB OR NATURAL
Number of Row:	Four row
Type:	Roller bearing
Material of race:	G20Cr2Ni4A-GB/T3203
Material of roller:	G20Cr2Ni4A-GB/T3203
Precision:	Class 2
Place of Origin:	Zhejiang