Four-Row Tapered Roller Bearings (Inch)

Name: Four-Row Tapered Roller Bearings (Inch)
Brand: WKB (Wafangdian) Bearing Technology Co., Ltd.
Price: 150-800 USD
Rating: 4.8 (50 reviews)

Four-Row Tapered Roller Bearings (Inch) feature four rows of tapered rollers, ideal for heavy-duty applications like rolling mills and gearboxes. Their design ensures high radial and axial load capacity, distributing loads evenly. With durability and reliability, these bearings provide stability under extreme conditions, essential for demanding industrial environments. When sourcing these bearings, it's crucial to partner with reputable taper roller bearing manufacturers who prioritize quality and precision engineering to ensure performance and longevity. WKB Bearings is your first choice.

Features of Four-Row Tapered Roller Bearings (Inch)

Quadruple Rows: Four-Row Tapered Roller Bearings (Inch) comprise four rows of tapered rollers, delivering superior radial and axial load handling capabilities for heavy-duty tasks.
Industrial Strength: Designed for robust applications like rolling mills and gearboxes, these bearings offer stability and longevity under high loads and extreme conditions.
Even Load Distribution: The four-row configuration ensures uniform load distribution across rollers, minimizing stress and promoting optimal performance.
Reliability: With their durable design, these bearings provide consistent performance, making them essential components in industries requiring reliable operation under challenging environments.

Products

Specs of Four-Row Tapered Roller Bearings (Inch)

Tapered Roller Bearing Lubrication

247.650 mm-380.000 mm Four-Row Tapered Roller Bearings (Inch) Specs

Basic Size								Designation	Basic load rating dynamic, static		Calculation Coefficient				Mass
d	D	T	B	d_1≈	D_1≈	r_1.2min	r_3.4min		C	C。	e	Y₁	Y₂	Y。
mm									kN		-				kg
247.650 9.7500	400.050	253.995	249.235	295	346	1.5	6.4	614096B	2920	6300	0.4	1.7	2.5	1.6	120
247.650 9.7500	15.7500	9.9998	9.8124					(EE220975DW-1575-1576D)
254.000 10.0000	358.775	269.875	269.875	279	319	3.3	3..3	331275A	2860	7100	0.33	2	3	2	88.9
254.000 10.0000	14.1250	10.6250	10.6250					(M249749DW-710-710D)
260.000 10.2362	440.000	298 .500	298.500	300	372	2.5	5	BT4B328551 /HA1	3910	7350	0.54	1.25	1.8	1.3	190
260.000 10.2362	17.3228	11.7250	11.7250
266.700 10.5000	355.600	228 .600	230.188	288	318	1.5	3.3	330822B	2050	5600	0.37	1.8	2.7	1.8	65.5
266.700 10.5000	14.0000	9.0000	9.0625					(76589DW-520-520D)
269.875 10.6250	381.000	282.575	282.575	296	339	3.3	3.3	BT4B331168B	3080	7500	0.33	2	3	2	105
269.875 10.6250	15. 0000	11.1250	11.1250					(M252349DW-310-310D)
276.225 10.8750	393.700	269.875	269.878	302	351	1.5	6.4	331288	2970	6400	0.4	1.7	2.5	1.6	100
276.225 10.8750	15.5000	10.6250	10.6251					(EE275109D-155-156D)
279.400 11.0000	381.000	269.875	269 .875	300	340	1.5	1.5	BT4B328293/HA1	2920	7500	0.35	1.9	2.9	1.8.	91
279.400 11.0000	15. 0000	10.6250	10.6250
279.578 11.0070 279.578 11.0070	380.898	244.475	244.475	308	337	1.5	3.3	330540A	2290	6400	0.43	1.6	2.3	1.6	86
	14.9960	9.6250	9.6250					(LM654644DW-610-610D)
	380.898	244.475	244.475	308	337	1.5	3.3	330540AG	2290	6400	0.43	1.6	2.3	1.6	86
	14.9960	9.6250	9.6250					(LM654644DGW-610-610D)
285.750 11.2500 285.750 11.2500	380.898	244.475	244.475	308	337	1.5	3.3	330337A	2290	6400	0.43	1.6	2.3	1.6	81
	14.9960	9.6250	9.6250					(LM654648DW-610-610D)
	380.898	244.475	244.475	308	337	1.5	3.3	330337AG	2290	6400	0.43	1.6	2.3	1.6	81
	14. 9960	9.6250	9.6250					(LM654648DGW-610-610D)
288.925 11.3750 288.925 11.3750	406.400	298.450	298.450	314	361	3.3	3.3	BT4B331452/HA1	3580	9000	0.33	2	3	2	125
	16. 0000	11.7500	11.7500					(M255449DW-410-410D)
	406.400	298. .450	298.450	314	361	3.3	3.3	BT4B331452G/HA1	3580	9000	0.33	2	3	2	125
	16.0000	11.7500	11.7500					(M255449DGW-410-410D)
300.000 11.8110 300.000 11.8110	440.000	279.400	280.988	334	380	3.3	4.8	BT4B328725G/HA1	3190	7800	0.43	1.6	2.3	1.6	145
	17.3228	11.0000	11.0625
	460.000	388.500	388.500	336	400	5	5	BT4B332472	5390	12500	0.33	2	3	2	240
	18.1102	15.2953	15.2953
304.800 12.0000 304.800 1 2.0000	419.100	269.875	269.875.	328	378	1.5	6.4	BT4B331687 /HA1	3360	8150	0.33	2	3	2	112
	16. 5000	10.6250	10.6250					(M257149DW-110-110D)
	482.600	377.825	365.125	348	416	3.3	3.3	330693C	5010	10400	0.35	1.9	2.9	1.8	266
	19.0000	14.8750	14.3750
304.902 12.0040 304.902 1 2.0040	412.648	266.700	266.700	329	371	3.3	3.3	330758A	3080	8000	0.31	2.2	3.3	2.2	105
	16.2460	10.5000	10.5000					(M257 248DW-210-210D)
	412.648	266.700	266.700	329	371	3.3	3.3	330758AG	3080	8000	0.31	2.2	3.3	2.2	105
	16.2460	10.5000	10.5000 .					(M257248DGW-210-210D)
330.200 13.0000	444. 500	301.625	301.625.	357	401	3.3	3.3	BT4B332647G/HA1	3690	9650	0.33	2	3	2	135
330.200 13.0000	17.5000	11.8750	11.8750					(M260149DGW-110-110D)
333.375 13.1250	469.900	342.900	342.900	365	419	3.3	3.3	331381	4570	11400	0.33	2	3	2	190
333.375 13.1250	18.5000	13. 5000	13.5000					(HM261049DGW-010-010D)
342.900 13.5000	571.500	342.900	342.540	393	508	3.3	6.4	BT4B331553 /HA1	6270	11600	0.33	2	3	2	366
342.900 13.5000	22.5000	13.5000	13.4858
343.052 13.5060 343.052 13.5060	457.098.	254.000	254.000	370	410	1.5	3.3	330661C	2810	6800	0.48	1.4	2.1	1.4	110
	17.9960	10.0000	10.0000					(LM761649DG-610-610D)
	457.098	254.000	254.000	370	410	1.5	3.3	330661CG	2810	6800	0.48	1.4	2.1	1.4	110
	17.9960	10.0000	10.0000					(LM761649DGW-610-610D)
347.662 13.6875 347.662 13.6875	469.900	260.350	260.350	399	428	1.5	3.3	BT4B331077AG/HA1	3800	10200	0.33	2	3	2	130
	18.5000	10.2500	10.2500					(LM262449DGW-410-410D)
	469.900	292.100	292.100	377	426	3.3	3.3	331092A	3800	10200	0.33	2	3	2	150
	18.5000	11.5000	11.5000					(M262449DGW-410-410D)
355.600 14.0000 355.600 14.0000	482.600	269.875	265.112	384	430	1.5	3.3	330662AG	3190	8000	0.48	1.4	2.1	1.4	140
	19.0000	10.6250	10.4375					(LM763449DGW-410-410D)
	488.950	317.500	317.500	392	439	1.5	3.3	331271	4130	11000	0.33	2	3	2	195
	19.2500	12.5000	12.5000					(M263349DGW-310-310D)
360.000 14.1732 360.000 14.1732	510.000	380.000	380.000	393	454	2	6	332059	5610	14300	0.33	2	3	2	255
	20.0787	14. 9606	14. .9606
	540.000	280.000	280.000	400	478	5	5	BT4B328159 /HA1	4400	9000	0.44	1.5	2.3	1.4	230
	21.2600	11.0236	11.0236
368.300 14.5000	523.875	382.588	382.588	402	464	3.3	6.4	331159A	5830	1 5000	0.33	2	3	2	275
368.300 14.5000	20.6250	15.0625	15.0625					(HM265049DGW-010-010D)
374.650 14.7500	501.650	260.350	250.825	400	452	1.5	3.3	BT4B332188 /HA1	3360	8150	0.48	1.4	2.1	1.4	141
374.650 14.7500	19.7500	10.2500 .	9.8750					(LM765149DGW-110-110D)
380.000 14.9606 380.000 14.9606 380.000 14.9606	560.000	325.000	325.000	417	504	2	5	BT4B328294/HA1	5500	11800	0.31	2.2	3.3	2.2	265
	22.0472	12.7953	12.7953
	560.000	360.000	360.000	417	497	2	6	BT4B328816/HA1	6160	13700	0.4	1.7	2.5	1.6	295
	22.0472	14.1732	14.1732
	620.000	368.000	368.000	433	538	6	6	BT4B332889 /HA1	7040	13700	0.43	1.6	2.3	1.6	438
	24.4094	15.2165	15.2165

384.175 mm-510.000 mm Four-Row Tapered Roller Bearings (Inch) Specs

Basic Size								Designation	Basic load rating dynamic, static		Calculation Coefficient				Mass
d	D	T	B	d_1≈	D_1≈	r_1.2min	r_3.4min		C	C。	e	Y₁	Y₂	Y。
mm									kN		-				kg
384.175 15.1250	546.100	400.050	400.050	419	484	3.3	6.4	331149A (HM266449DGW-410-410D)	6440	16600	0.33	2	3	2	310
384.175 15.1250	21.5000	15.7500	15.7500					331149A (HM266449DGW-410-410D)
395.000 15.5512	545.000	288.900	268.000	440	489	5	10	BT4B332824/HA1	3910	9500	0.48	1.4	2.1	1.4	195
395.000 15.5512	21 .4567	11.3740	10.5512					BT4B332824/HA1
409.575 16.1250 409.575 16.1250	546. 100	334. .962	334. .962	454	523	1.5	6.4	BT4B331333/HA1 (M667947DA-910-910D) BT4B328967/HA1	4680	13200	0.43	1.6	2.3	1.6	220
	21. 5000	13.1875	13.1875
	546.100	334.962	334.962	454	523	6.4	6.4		4460	12500	0.43	1.6	2.3	1.6	220
	21.5000	13.1875	13.1875
415.925 16.3750	590.550	434.975	434.975	454	523	3.3	6.4	331160A (M268749DGW-710-710D)	7210	19300	0.33	2	3	2	395
415.925 16.3750	23.2500	17.1250	17.1250					331160A (M268749DGW-710-710D)
420.000 16.5354 420.000 16.5354	560.000	437.000	437 .000	450	508	4	6	BT4B328826G/HA1 BT4B328374/HA1	5830	16300	0.31	2.2	3.3	2.2	285
	22.0473	17.2047	17.2047
	620.000	355.000	355.000	469	553	2	5		6440	14600	0.31	2.2	3..3	2.2	375
	24.4094	13.9764	13.9764
431.800 17.0000 431.800 17.0000	635.000	355.600.	355.600	475	568	6.4	6.4	332060 (EE931070DGW-250-251XD) BT4B334019G/HA1	6600	15000	0.33	2	3	2	386
	25.0000	14.0000	14.0000
	635.000	355.600	440.000	475	568	6.4	6.4		6600	15000	0.33	2	3	2	405
	25.0000	14.0000	17.3228
440.000 17.3228 440.000 17.3228	580.000	420.000	420.000	470	528	4.5	6.7	BT4B328829/HA1 332313	6050	17600	0.26	2.6	3.9	2.5	300
	22.8346	16.5354	16. 5354
	650.000	353.500	353.500	482	567	6.4	6.4		6600	1 5000	0.33	2	3	2	410
	25.5906	13.9173	13.9173
444.500 17.5000	571.500	336.550	336.550	470	528	1.5	3.3	BT4B328670	4950	14300	0.31	2.2	3.3	2.2	216
444.500 17.5000	22 5000	13.2500	13.2500					BT4B328670
447.675 17.6250	635.000	463.550	463.550	488	563	3.3	6.4	330608C (M270749DGW-710-710D)	8250	22000	0.33	2	3	2	486
447.675 17.6250	25.0000	18.2500	18.2500					330608C (M270749DGW-710-710D)
457.073 17.9950	730.148	419.100	412.750	530	637	1.5	6.4	BT4B328287G/HA1 (EE671798DGW- 2873 -2875D)	8970	19600	0.4	1.7	2.5	1.6	630
457.073 17.9950	28.7460	16. 5000	16.2500					BT4B328287G/HA1 (EE671798DGW- 2873 -2875D)
457.200 18.0000 457.200 18.0000	596.900	279.400	276.225	487	544	1.5	3.3	331169A (L770847DW-810-810D) 3311 69BG (L770847DGW-810-810D)	4180	10800	0.48	1.4	2.1	1.4.	200
	23.5000	11.0000	10.8750
	596.900	279.400	276.225	487	544	1.5	3.3		4180	10800	0.48	1.4	2.1	1.4	200
	23.5000	11.0000	10.8750
479.425 18.8750	679.450	495.300	495.300	514	567	3.3	6.4	330886B (M272749DGW-710-710D)	9350	22500	0.33	2	3	2	605
479.425 18.8750	26.7500	19.5000	19.5000					330886B (M272749DGW-710-710D)
488.950 19.2500	622.300	365.125	365.125	515	570	3	3	BT4B328391G/HA1	5610	17300	0.35	1.9	2.9	1.8	266
488.950 19.2500	24.5000	14.3750	14.3750					BT4B328391G/HA1
501.650 19.7500 501.650 19.7500	673. 100	387.350	400.050	538	612	3.3	6.4	BT4B331499G/HA1 (EE641198DGW- 265-266D) 331081A (M274149DGW-110-110D)	7210	19300	0.31	2.2	3.3	2.2	395
	26.5000	15.2500	15.7500						10200	27500	0.33	2	3	2	755
	711.200	520.700	520.700	546	631	3.3	6.4		7210	21600	0.31	2.2	3.3	2.2	410
	28.0000	20.5000	20.5000						11400	31000	0.33	2	3	2	755
514.350 20.2500	673.100	422.275	422.275	549	612	3.3	6.4	331157A (LM274449DGW-410-410D)	11700	32000	0.33	2	3	2	835
514.350 20.2500	26.5000	16.6250	16.6250					331157A (LM274449DGW-410-410D)	5720	16300	0.33	2	3	2	375
519.112 20.4375	736.600	536.575	536.575	567	653	3.3	6.4	331078A (M275349DGW-310-310D)	5720	16300	0.33	2	3	2	400
519.112 20.4375	29.0000	21.1250	21.1250					331078A (M275349DGW-310-310D)	12100	32000	0.33	2	3	2	1000
536.575 21.1250	761.873	558.800	558.800	586	675	3.3	6.4	BT4B331174/HA1 (M276449DGW-410-410D)	9900	30000	0.33	2	3	2	625
536.575 21.1250	29.9950	22.0000	22.0000					BT4B331174/HA1 (M276449DGW-410-410D)	16800	36500	0.4	1.7	2.5	1.6	1920
540.000 21.2598 540.000 21.2598	690.000	400.000	400.000	571	637	3	6	331978 BT4B334038G/HA3	14700	40500	0.33	2	3	2	1235
	27.1654	15.7480	15.7480						15700	45000	0.33	2	3	2	1430
	690.000	400.000	434.000	565	637	1	5		12100	36500	0.33	2	3	2	875
	27.1654	15. 7480	17.0866						17200	49000	0.33	2	3	2	1 580
571.500 22.5000	812.800	593.725	593.725	625	720	3.3	6.4	330529B (M278749DGW-710-710D)	6710	22400	0.33	2	3	2	420
571.500 22.5000	32.0000	23.3750	23.3750					330529B (M278749DGW-710-710D)	14200	41500	0.33	2	3	2	1150
585.788 23.0625	771.525	479.425	479.425	625	702	3.3	6.4	331093A (LM278849DGW-810-810D)	7210	19300	0.31	2.2	3.3	2.2	395
585.788 23.0625	30.3750	18.8750	18.8750					331093A (LM278849DGW-810-810D)	10200	27500	0.33	2	3	2	755
596.900 23.5000	980.000	609.600	604.838	686	851	6.4	12. 7	331566	7210	21 600	0.31	2.2	3.3	2.2	410
596.900 23.5000	38.5827	24.0000	23.8125					331566	11400	31000	0.33	2	3	2	755
603.250 23.6220	857.250	622.300	622.300	656	760	3.3	6.4	331625 (M280249DGW-210- 210XD)	11700	32000	0.33	2	3	2	835
603.250 23.6220	33.7500	24.5000	24.5000					331625 (M280249DGW-210- 210XD)	5720	16300	0.33	2	3	2	375
635.000 25.0000	901.700	654.050	654.050 ,	694	800	3.3	6.4	330990A (M281049DGW-010-010D)	5720	16300	0.33	2	3	2	400
635.000 25.0000	35.5000	25.7500	25.7500					330990A (M281049DGW-010-010D)	12100	32000	0.33	2	3	2	1000
646.112 25.4375	857.250	542.925	542.925	690	776	3.3	6.4	BT4B332671 /HA1 (LM281049DGW-310-310D)	9900	30000	0.33	2	3	2	625
646.112 25.4375	33.7500	21.3750	21.3750					BT4B332671 /HA1 (LM281049DGW-310-310D)	16800	36500	0.4	1.7	2.5	1.6	920
657.225 25.8750	933.450	676.275	676.275	718	827	3.3	6.4	330824A (M281649DGW-610-610D)	14700	40500	0.33	2	3	2	1235
657.225 25.8750	36.7500	26.6250	26.6250					330824A (M281649DGW-610-610D)	15700	45000	0.33	2	3	2	1430
660.400 26.0000	812.800	356.125	356.125	698	751	3.3	6.4	331190 (L281149DGW-110-110D)	12100	36500	0.33	2	3	2	875
660.400 26.0000	32.0000	14.3750	14.3750					331190 (L281149DGW-110-110D)	17200	49000	0.33	2	3	2	1580
676.000 26.6142	910.000	620.000	620.000	725	821	4	8	BT4B332906/HA4	6710	22400	0.33	2	3	2	420
676.000 26.6142	35.8268	24.4094	24.4094					BT4B332906/HA4	14200	41500	0.33	2	3	2	1150
254.000 10.0000	358.775	257.175	292.100	303	343	3.3	1.5	BT4B332610/HA1 (M249749-749DW-710D)	2860	7100	0.33	2	3	2	90.5
254.000 10.0000	14.1250	10.1250	11.5000					BT4B332610/HA1 (M249749-749DW-710D)
279.400 11.0000	407.000	288.000	320.000	343	388	3.5	1.5	BT4B328345 /HA1 (M255449-440DW-411)	3580	9000	0.33	2	3	2	140
279.400 11.0000	16.0236	11.3386	12.5984					BT4B328345 /HA1 (M255449-440DW-411)
317.500 12.5000	422.275	261.938	290.514	365	405	6.5	1.5	BT4B332642/HA1 (LM258649T-646TD-649G-610)	3080	8150	0.31	2.2	3.3	2.2	110
317.500 12.5000	16.6250	10.3125	11.4375					BT4B332642/HA1 (LM258649T-646TD-649G-610)
333.375 13.1250	469.900	328.612	366.712	398	308	6.4	1.5	BT4B328083 /HA1	4570	11400	0.33	2	3	2	190
333.375 13.1250	18.5000	12.9375	14.4375					BT4B328083 /HA1
347.662 13.6875	469. 900	246.063	280.194	399	451	3.3	1.5	331807	3360	8280	0.33	2	3	2	142
347.662 13.6875	18.5000	9.6875	11.0313					331807
368.300 14.5000	523.875	366.712	411.162	440	499	6.4	1.5	BT4B334011	5830	15000	0.33	2	3	2	275
368.300 14.5000	20.6250	14.4375	16.1875					BT4B334011
384.175 15.1250	546.100	384.175	428.625	458	520	6.4	1.5	BT4B331809 /HA1	6440	16600	0.33	2	3	2	310
384.175 15.1250	21.5000	15.1250	16.8750					BT4B331809 /HA1
400.000 15.7480	540.000	295.000	330.000.	463	520	3.3	1.5	332297	4840	12500	0.31	2.2	3.3	2.2	210
400.000 15.7480	21.2598	11.6142 .	12.9921					332297
406.400 16.0000	590. 5500	381.000	434.975	486	561	9.7	1.5	BT4B328923/HA1	6930	16600	0.33	2	3	2	37 1
406.400 16.0000	23.2500	1 5.0000	17.1250					BT4B328923/HA1
415.925 16.3750	590.550	419.100	469.900	454	523	6.4	1.5	BT4B332814/HA1	7210	19300	0.33	2	3	2	405
415.925 16.3750	23.2500	16.5000	18.5000					BT4B332814/HA1
43 1.800 17.0000 431.800 17.0000	571. 500	320.675	366.713	499	550	6.4	1.5	BT4B332590/HA1 BT4B332590/HA1	4950	14000	0.44	1.5	2.3	1.4	250
	22.5000	12.6250	14.4375
	647.700	338.138	387.350	517	598	6.4	1.5		6600	15000	0.33	2	3	2	420
	25.5000	13.3125	15.2500
447.675 17.6250	635.000	446.088	496.888	534	605	6.4	3.3	BT4B328922/HA1	8250	22000	0.33	2	3	2	486
447.675 17.6250	14.0000	17. 5625.	19.5625					BT4B328922/HA1
450.000 17.7165	595.000	352.000	390.000	522	573	6	1.5	BT4B334147/HA1	5500	16300	0.33	2	3	2	295
450.000 17.7165	23.4252	13.8583	15.3543					BT4B334147/HA1
482.600 19.0000	615.950	317.500	355.600	546	596	6.4	1.5	BT4B328268 /HA1 (M272249DW-249W-210D)	5120	15300	0.33	2	3	2	252
482.600 19.0000	24.2500	12.5000	14.0000					BT4B328268 /HA1 (M272249DW-249W-210D)
510.000 20.0787	655.000	362.000	405.000	580	635	6.4	1.5	BT4B328732/HA1	6270	19000	0.33	2	3	2	330
510.000 20.0787	25.7874	14.2520	15.9449					BT4B328732/HA1