639/632 639/633 643/633 644/632 645/633 6454/6420 Inch Tapered Roller Bearing China Bearing Factory Supply for Auto Parts Motorcycle Parts Timken Koyo NSK NTN

• Customization: Available
• Type: Tapered Roller Bearing
• Structure: Single Row, Double Row, Four Row
• Model NO.: 639/632 639/633 643/633 644/632 645/633 6454/6420
• Package: as Customer Required
• Brand Customized: Available
• Precision: P0 P6 P5 P4
• Transport Package: as Customer Required
• Specification: 15mm-300mm
• Trademark: SQY
• Origin: Shandong China
• HS Code: 8482910000
• Production Capacity: 50000 PCS /Year

Product Description

639/632 639/633 643/633 644/632 645/633 6454/6420 inch tapered roller bearing China bearing Factory supply for Auto Parts Motorcycle Parts Timken KOYO NSK NTN

 

Tapered roller bearings are separable bearings, bearing inner and outer rings have conical raceway. According to the number of rollers in bearings, it is divided into single row, double row and four row tapered roller bearings. Tapered roller bearings are usually separated assembly,Separate installation by conical outer ring and conical inner ring with rollers and cage components.
 

Tapered roller bearings widely used in automobile, rolling mills, mines, metallurgy, plastics machinery and other industries.

Spherical roller bearing models

Bearig Number	Principal dimensions(mm)							Weight(KG)
	d	D	T	B	C	r1min	rsmin
639/632	63.500	136.525	41.275	41.275	31.750	3.5	3.3	2.81
639/633	63.500	130.175	41.275	41.275	31.750	3.5	3.3	2.482
643/633	69.850	130.175	41.275	41.275	31.750	3.5	3.3	2.272
644/632	71.438	136.525	41.275	41.275	31.750	3.5	3.3	2.54
645/633	71.438	130.175	41.275	41.275	31.750	6.4	3.3	2.202
6454/6420	69.850	149.225	53.975	54.229	44.450	5.0	3.3	4.58
6455/6420	57.150	149.225	53.975	54.229	44.450	3.5	3.3	5.12
6460/6420	73.025	149.225	53.975	51.229	44.450	3.5	3.3	4.43
6461/6420	76.200	149.225	53.975	54.229	44.450	3.5	3.3	3.803
65200/65500	50.800	127.000	44.450	44.450	34.925	3.5	3.3	2.89
65212/65500	53.975	127.000	44.450	44.450	347.925	3.5	3.3	2.79
65237/65500	60.325	127.000	44.450	44.450	34.925	3.5	3.3	2.59
655/653	69.850	146.050	41.275	41.275	31.750	3.5	3.3	3.241
6559/6535	82.550	161.925	53.975	55.100	42.862	3.5	3.3	5.07
657/653	73.025	146.050	41.275	41.275	31.750	3.5	3.3	3.131
6575/6235	76.200	161.925	53.975	55.100	42.862	6.4	3.3	5.4

 

 

 

 

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