d 220-420mm-Spherical roller thrust bearings--NEY（DuangDong）Bearing Industry Co.,LTD

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d 220-420mm

Product Parameter

Designation	Mass/m ≈kg	Principal dimensions mm												Fitting dimansion mm					Basic load ratings KN		Fatigue limit load C_ua N	Limiting Speed n_G min^–1	Reference Speed n_B min^–1
Designation	Mass/m ≈kg	d	D	T	D₁	d₁	r min	T₁	T₂	T₃	T₄	T₅	A	d_a min	D_a max	D_b min	d_b max	r_a max	Dyc C_a	Stc C_oa	Fatigue limit load C_ua N	Limiting Speed n_G min^–1	Reference Speed n_B min^–1
29276-E-MB	48.4	380	520	85	440	490	4	42	31	53	81	-	202	440	480	530	395	3	2080000	9650000	495000	1100	650
29376-E-MB	132	380	600	132	474	555	6	63	48	83	94	-	216	480	538	612	404	5	3900000	16000000	860000	850	530
29476-E-MB	248	380	670	175	500	610	7.5	85	63	111	124	-	230	510	587	682	415	6	5850000	22400000	1220000	700	465
29280-E-MB	51.2	400	540	85	460	510	4	42	31	53.5	62	-	212	460	500	550	415	3	2120000	10200000	510000	1100	610
29380-E-MB	137	400	620	132	493	575	6	64	48	83	94	-	225	500	557	634	424	5	4000000	16600000	880000	850	510
29480-E-MB	294	400	710	185	530	645	7.5	89	67	117	131	-	236	540	622	722	441	6	6400000	25000000	1330000	670	440
29284-E-MB	73.4	420	580	95	489	550	5	46	34	60.5	70	-	225	490	534	590	437	4	2650000	12500000	620000	1000	580
29384-E-MB	157	420	650	140	520	600	6	68	50	85	97	-	235	525	585	664	447	5	4300000	18000000	940000	800	475
29484-E-MB	305	420	730	185	550	665	7.5	89	67	117	132	-	244	560	643	742	455	6	6700000	26000000	1390000	630	420

Introduction

& nbsp; features thrust self-aligning roller bearing is a single row, self-aligning roller bearing. It is composed of shaft ring, seat ring and asymmetric drum roller with cage. The cage holds the roller with the cage assembly and the shaft ring. The outer ring can be separated. So the inner and outer rings can be installed independently. 'EN-US ' > X-life series thrust self-aligning roller bearing. It is indicated in the dimension table. the optimization of the internal structure increases the rated bearing capacity of the bearing, and the optimization of the geometry of the contact surface between the flange and the roller end face also improves the operation performance of the bearing. As the best lubricating oil film is formed, the friction and wear of the bearing are reduced, and the new cage structure also improves the guide and lubrication of the roller. The optimized contact condition of raceway makes the stress distribution between the rolling body and raceway more uniform. due to the increase of bearing axial bearing capacity and decrease of bearing temperature rise under the same working condition, the bearing rated life is significantly improved. thrust self-aligning roller bearing can bear high axial force and allow relatively high rotation speed. Since the raceway is inclined to the axis of the bearing, the bearing can also bear radial force. See page 887 for radial load. the angle of adjustable center of thrust self-aligning roller bearing relative to its center position is shown in table: allowable center angle. Therefore, it allows the shaft ring and seat ring to tilt relative to each other, and can compensate for misalignment, shaft deflection and bearing seat deformation.

under the following circumstances, the bearing can reach the centering angle given in the table: ■ p or P 0 & le; 0.05 & middot; C0a ■ constant tilt angle (static angle misalignment) . large bearings are suitable for smaller values.

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