Agricultural Machinery Bearings

Views: 1154 Author: Site Editor Publish Time: 2021-03-28 Origin: Site

The outer spherical ball bearing is actually a variant of the deep groove ball bearing, which is characterized in that its outer ring outer diameter surface is spherical, which can be fitted into the corresponding concave spherical surface of the bearing seat to play a self-aligning role. The outer spherical bearing is mainly used to bear the combined radial and axial load mainly radial load, it is generally not suitable to bear the axial load alone.

Although its basic performance should be similar to that of deep groove ball bearings, but most of these bearings are used in relatively rough machinery, the installation and positioning are not accurate enough, the alignment of the axis of the shaft and the seat hole is poor, or the shaft length and deflection In the case of decent, and the accuracy of the bearing itself is not high enough, and some structures are also relatively rough, so the actual performance of the performance of the deep groove ball bearings of the same specifications should be discounted. For example: the outer spherical ball bearing with top wire is applied to the through shaft with large difference in rigidity and deflection. This bearing has sealing rings on both sides, which can strictly prevent the intrusion of dirt.

Appropriate amount of lubricant, no need to clean before installation, no need to add lubricant, when the top screw on the protruding end of the bearing inner ring is fastened on the shaft. The allowable axial load must not exceed 20% of the rated dynamic load.

R3 seal: used for conventional Z&R insert bearing products. The vulcanized triple-lip contact seal made of low-friction nitrile rubber (NBR) compound is bonded to the inner surface of the steel frame through vulcanization. The triple lip strongly prevents dust and muddy water It can ensure the life of the bearing even in severe environmental conditions, and is suitable for under 1000RPM/Min.)
R5 seal: used for maintenance-free products of Z&R insert bearings, suitable for extremely polluted environments, such as agricultural machinery and chemical equipment applications, through vulcanization, vulcanized five-lip contact seals made of low-friction nitrile rubber (NBR) compounds Fitted to the inner surface of the steel frame, the steel frame is fixed in place by the seal groove in the outer ring of the bearing, and can protect the seal from solid contamination; the 5 layers of sealing lips have different designs to provide excellent sealing performance to deal with Different working conditions including dynamic misalignment; the sealing lip is a labyrinth type to prevent various pollutants from entering and grease leakage. Suitable for 800RPM/Min or less.
FJ seal: used for Z&R outer spherical bearing ultra-high-speed products; suitable for low-noise environments, such as blowers, commercial fans, etc.;

After being specially treated by Viton, it is attached to the inner surface of the stamped steel sheet frame, and a non-contact structure stamped steel sheet is added to effectively prevent the entry of pollutants; it can run smoothly in an environment of up to 200° .

F seal: used for Z&R insert bearing conventional products, two steel galvanized sheets are sandwiched with nitrile rubber (NBR) seal, the sealing lip is axially pre-tightened, and the outer steel galvanized sheet has a certain angle outward Inclined and extended to effectively protect the sealing lip from mechanical damage and particulate entry; this structure is suitable for occasions that require both high speed and low noise.
SF seal: The nitrile rubber (NBR) sealing lip is vulcanized and adhered to the inner surface of the stamped steel sheet frame. Through its non-contact steel sheet frame, the steel sheet frame is fixed in place by the sealing groove in the outer ring of the bearing. The shoulder of the ring forms a small gap; the steel retaining ring is installed on the shoulder of the inner ring by interference fit, which can significantly improve the sealing effect without increasing friction to prevent the seal from being affected by particle contamination.

Model	内径（d）	外径（D）	内圈高度(B)	外圈高度(C)
UYZ 205 2S.H	25	52	31	15
LSFR 308 TBT.H.T.Zn	40	90	42.9
LSGR 205 FS	25	52	25	15
LSGR 207 TBS	35	72	28.3	17
LSGR 214 2TB	70
LSNR 205 2T	25	52	34.8	17
LSNR 207 TBS	35	72	28.3	17
SLE 47-16S-2RS	16.4
GWST 209PPB29	32.8	85	42.85	31.7
204KRRB2	17.65	47	20.96	14
210RRB6	38.12	90	30	22
W 208PPB16	31.78	80	36.5	18
204KRR2	17.65	47	20.96	14
W 208PP16	31.78	80	36.5	18
SL 53-014-2T	22.25	53.086	19.4	18.288
SLE 53-012-2T	19.18	53.086	43.5	18.288
SLU 53012-2T	19.18	53.086	34.2	18.288
3204 B.2RS1	20	47	20.6	20.6
VP-16/40/74,5	16	40	74.5
885152	15.918	30	69.3	38.9
885154B	15.918	30	69.3	38.9
3204 T	20	47	25.2	22
5206 KPP3	30	62
SL 3303 2S	17	47	24.2	24.2
SL 5203 2T	16.256	40	44	39
LY 312 2F	60	130	68.4	33
LY 312-203 2F	55.562	130	68.4	33
306230	30	62	30	30
3206 B.2RS1	30	62	23.8	23.8
357234A	35	72	34	34
GWST 209PPB13	45.24	85	36.53	33
GWST 211PPB20	55.7	100	39.7
205KRP2	19.202	52	21.1	15
203KRR.AH02	16.256	40	18.288	12
203KRR.AH05	13.081	40	18.288	12
209 KRR K/50.135	50.135	81	30	18
GW 211PP25	45	100	44.5	33.34
GW 211PP202	51.308	100	60.3	33.34
GWR 209PPB30	44,958	85	42.86	31.75
GWR 211PPB21	45.339	101.092	53.975	33.909
SBX 1227	55.562	110	55.562	38.3
GWHG 211PP25	45.212	100	44.45	33.325
GWHGR 211PP202	51,308	100	60.3	33.34
06C04-2Z	16	45.2	18.67	15.4
Q 203PP.AH02	16.256	40	18.288	12
Q 203PP.AH05	13.081	40	18.288	12
SL 5316 2T	16	53.086	19.4	18.288
LY 208-108 2F.SH	38.1	80	56.3	21
LE 210 2TB	50	90	51.6	22
VP-M20x1.5/40/72-R (L)	24.2	40	44	39
GVKE16-205-KRR-B-2C-AS2/V-AH01	16	52	25.4	15
GVKE16-205-KRR-B-AS2/V-AH01	16	52	25.4	15
GVK100-208-KTT-B-AS2/V	25.4	80	36.5	18
GVK102-208-KTT-B-AH10	28.575	80	36.5	18
GVKE30-211-KTT-B-AS2/V	30	100	36	25
GVK104-209-KTT-B	31.75	85	36.5	22
GVK108-211-KTT-B-AS2/V	38.1	100	36	25
GVK109-211-KTT-B	39.6875	100	36	25
VK100-208-KTT-B-AH10	25.4	80	36.5	18
VKE28-209-KTT-B-GA47/70	28	85	42.9	22
VKE30-212-KTT-B-2C	30	110	49.2	24
VKE38-211-KTT-B-GA47/70-AH01	38	100	55.2	21

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