zwa
British-system Four-row
Tapered Roller Bearing

bore 304,902-380mm

Tapered roller bearing is designed in such a way that cone apexes of inner ring raceway, outer ring raceway and roller raceway intersects on one point of its central line. ZWA’s tapered roller bearings can be divided into both metric and imperial single-row, double-row and four-row series.

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Basic Type

simple drawing of four row tapered roller bearing

The Products include

British-system Four-row Tapered Roller Bearing
d 304,902-380mm
Basic Size								Designation	Basic load rating		Calculation Coefficient				Mass
d	D	T	B	d1≈	D1≈	r1.2min	r3.4min		dynamic	static	e	Y1	Y2	Yo
d	D	T	B	d1≈	D1≈	r1.2min	r3.4min		C	Co	e	Y1	Y2	Yo
mm									kN		-				kg
304,902	412,648	266,700	266,700	329	371	3.3	3.3	330758A	3080	8000	0.31	2.2	3.3	2.2	105
12,0040	16,2460	10,5000	10,5000	329	371	3.3	3.3	(M257248DW-210-210D)	3080	8000	0.31	2.2	3.3	2.2	105
304,902	412,648	266,700	266,700	329	371	3.3	3.3	330758AG	3080	8000	0.31	2.2	3.3	2.2	105
12,0040	16,2460	10,5000	10,5000	329	371	3.3	3.3	(M257248DGW-210-210D)	3080	8000	0.31	2.2	3.3	2.2	105
330,200	444,500	301,625	301,625	357	401	3.3	3.3	BT4B332647G/HA1	3690	9650	0.33	2	3	2	135
13,0000	17,5000	11,8750	11,8750	357	401	3.3	3.3	(M260149DGW-110-110D)	3690	9650	0.33	2	3	2	135
333,375	469,900	342,900	342,900	365	419	3.3	3.3	331381	4570	11400	0.33	2	3	2	190
13,1250	18,5000	13,5000	13,5000	365	419	3.3	3.3	(HM261049DGW-010-010D)	4570	11400	0.33	2	3	2	190
342,900	571,500	342,900	342,940	393	508	3.3	6.4	BT4B331553/HA1	6270	11600	0.33	2	3	2	365
13,5000	22,5000	13,5000	13,4558	393	508	3.3	6.4	BT4B331553/HA1	6270	11600	0.33	2	3	2	365
343,052	457,098	254	254,	370	410	1.5	3.3	330661C	2810	6800	0.48	1.4	2.1	1.4	110
13,5060	17,9960	10,0000	10,0000	370	410	1.5	3.3	(LM761649DG-610-610D)	2810	6800	0.48	1.4	2.1	1.4	110
343,052	457,098	254	254	370	410	1.5	3.3	330661CG	2810	6800	0.48	1.4	2.1	1.4	110
13,5060	17,9960	10,0000	10,0000	370	410	1.5	3.3	(LM761649DGW-610-610D)	2810	6800	0.48	1.4	2.1	1.4	110
347,662	469,900	260,350	260,350	399	428	1.5	3.3	BT4B331077AG/HA1	3800	10200	0.33	2	3	2	130
13,6875	18,5000	10,2500	10,2500	399	428	1.5	3.3	(LM262449DGW-410-410D)	3800	10200	0.33	2	3	2	130
347,662	469,900	292,100	292,100	377	426	3.3	3.3	331092A	3800	10200	0.33	2	3	2	150
13,6875	18,5000	11,5000	11,5000	377	426	3.3	3.3	(M262449DG-410-410D)	3800	10200	0.33	2	3	2	150
355,600	482,600	269,875	265,114	384	430	1.5	3.3	330662AG	3190	8000	0.48	1.4	2.1	1.4	140
14,0000	19,0000	10,6250	10,4378	384	430	1.5	3.3	(LM763449DGW-410-410D)	3190	8000	0.48	1.4	2.1	1.4	140
355,600	488,950	317,500	317,500	392	439	1.5	3.3	331271	4130	11000	0.33	2	3	2	195
14,0000	19,2500	12,5000	12,5000	392	439	1.5	3.3	(M263349DGW-310-310D)	4130	11000	0.33	2	3	2	195
360	510	380	380	393	454	2	6	332059	5610	14300	0.33	2	3	2	255
14,1732	20,0787	14,9606	14,960,6	393	454	2	6	332059	5610	14300	0.33	2	3	2	255
360	540	280,	280,	400	478	5	5	BT4B328159/HA1	4400	9000	0.44	1.5	2.3	1.4	230
14,1732	21,2600	11,0236	11,0236	400	478	5	5	BT4B328159/HA1	4400	9000	0.44	1.5	2.3	1.4	230
368,300	523,875	382,588	382,588	402	464	3.3	6.4	331159A	5830	15000	0.33	2	3	2	275
14,5000	20,6250	15,0625	15,0625	402	464	3.3	6.4	(HM265049DGW-010-010D)	5830	15000	0.33	2	3	2	275
374,650	501,650	260,350	250,825	400	452	1.5	3.3	BT4B332188/HA1	3360	8150	0.48	1.4	2.1	1.4	140
14,7500	19,7500	10,2500	9,8750	400	452	1.5	3.3	BT4B332188/HA1	3360	8150	0.48	1.4	2.1	1.4	140
380	560	325	325	417	504	2	5	BT4B328294/HA1	5500	11800	0.31	2.2	3.3	2.2	265
14,9606	22,0472	12,7953	12,7953	417	504	2	5	BT4B328294/HA1	5500	11800	0.31	2.2	3.3	2.2	265
380	560	360	360	417	497	2	6	BT4B328816/HA1	6160	13700	0.40	1.7	2.5	1.6	295
14,9606	22,0472	14,1732	14,1732	417	497	2	6	BT4B328816/HA1	6160	13700	0.40	1.7	2.5	1.6	295
380	620	368	368	433	538	6	6	BT4B332889/HA1	7040	13700	0.43	1.6	2.3	1.6	438
14,9606	24,4094	15,2165	15,2165	433	538	6	6	BT4B332889/HA1	7040	13700	0.43	1.6	2.3	1.6	438

Targeting at producing high-end Bearings.

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zwa
British-system Four-row
Tapered Roller Bearing

bore 304,902-380mm

Basic Type

The Products include

Targeting at producing high-end Bearings.

Products

Services

Products

Services

News

Download

zwaBritish-system Four-row Tapered Roller Bearing

bore 304,902-380mm

Basic Type

The Products include

Targeting at producing high-end Bearings.

Products

Services

zwa
British-system Four-row
Tapered Roller Bearing