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  • Changzhou Renben Bearing Factory

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  • Basic Info
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Product Description

    • Model NO.: BB25-2K-k
    • The Number of Rows: Multi-column
    • Material: Bearing Steel
    • Separated: Unseparated
    • Outer Diameter: 52mm
    • Torque: 78n.M
    • Trademark: R&B
    • Origin: Jiangsu, China
    • Rolling Body: Roller Bearings
    • Outer Dimension: 22-72mm
    • Spherical: Non-Aligning Bearings
    • Inner Diameter: 25mm
    • Height: 15mm
    • Weight: 0.15kg
    • Specification: SGS
    • HS Code: 84836000
    Description

    General information of Installation and usage for BB series Cam Clutch
    1. BB series Cam Clutch is designed for press fit installation.
    2. BB-1K-K and BB-2GD 1K-K series have a keyway on the inner race. Keyways, except size 25 are
    manufactured to DIN 6885. 3, BB40-1K-K and BB40-2GD 1K-K are manufactured to DIN 6885. 1.
    3. BB-2K-K series has a keyway on both the inner and outer race.
    "-K" means keys shipped together with Cam Clutch.
    4. Correct interference dimensions at the shaft and the housing must be maintained to obtain maximum bearing
    and clutch performance.
    5. Refer to the table on next page for tolerance of the shaft and housing for each series.
    6. BB, BB-1K and BB-2K Clutches, bearing supported and delivered with grease have dust seal protection
    against particles of 0.25mm and over, whereas BB-2GD and BB-2GD-1K clutches, 5mm wider than standard
    BB series, have special lip seals for effective protection against any dust.
    7. The arrow on the inner race shows the direction of inner race engaging.
    8. To install the clutch, use a press tool of the appropriate diameter to apply even pressure over the entire face
    of the inner and outer race.
    9. Do not hammer or apply other shock to the clutch.
    10. Make sure the housing has enough strength to withstand the pressure required for the press fitting installation
    of the Clutch.
    11. Operating temperature range: -30°C to +100°C (Consult us for the temperature that exceeds this range).

    Lubrication
    1. Since grease is already applied before delivery, there is no need to apply grease before use.
    2. If the clutch is used with an oil lubricant, the oil lubrication should be applied inside the unit always.
    3. Do not use greases or lubricants with EP additives.

    Cam Clutch/One Way Clutch Bearings Bb25-2k-K for Backstop Running
    Specification:

    Cam Clutch/One Way Clutch Bearings Bb25-2k-K for Backstop Running
    Dimensions and Capacities
    Model Torque
    Capacity    		 Max. Overrunning Drag Torque (N·m) A B C D r Weight (N) Bearing Loads
    Inner Race Outer Race BB
    BB-1K-K
    BB-2K-K    		 BB-2GD
    BB-2GD 1K-K    		 BB
    BB-1K-K
    BB-2K-K    		 BB-2GD
    BB-2GD 1K-K    		 BB
    BB-1K-K
    BB-2K-K    		 BB-2GD
    BB-2GD 1K-K    		 BB
    BB-1K-K
    BB-2K-K    		 BB-2GD
    BB-2GD 1K-K    		 Cr Cor
    N·m r/min r/min N N
    BB15 29 3600 2000 0.01 0.04 11 16 35 15 32.6 32.45 0.6 50 70 5950 3230
    BB17 43 3500 1900 0.01 0.05 12 17 40 17 36.1 36.45 0.6 80 100 7000 3700
    BB20 61 3000 1600 0.014 0.055 14 19 47 20 41.7 42.35 1 120 150 8500 4900
    BB25 78 2500 1400 0.017 0.055 15 20 52 25 47.1 47.05 1 150 200 10700 6300
    BB30 140 2000 1100 0.03 0.058 16 21 62 30 56.6 55.6 1 230 280 11900 7900
    BB35 173 1800 1000 0.034 0.06 17 22 72 35 64 64.6 1.1 320 410 13500 9700
    BB40 260 1800 900 0.04 0.08 22 27 80 40 71 71.6 1.1 400 600 14500 11700
      Note: Model No. marked on the inner race is only "K" for both "1K" and "2K". (Example: the mark "BB25-K" for both BB25-1K and BB25-2K)
     
    Tolerance for Shaft and Housing
    Model Shaft Dia. Housing Dia.
    BB15 BB15-2GD 15+0.023+0.012 35-0.012-0.028
    BB17 BB17-2GD 17+0.023+0.012 40-0.012-0.028
    BB20 BB20-2GD 20+0.028+0.015 47-0.012-0.028
    BB25 BB25-2GD 25+0.028+0.015 52-0.014-0.033
    BB30 BB30-2GD 30+0.028+0.015 62-0.014-0.033
    BB35 BB35-2GD 35+0.033+0.017 72-0.014-0.033
    BB40 BB40-2GD 40+0.033+0.017 80-0.014-0.033
     
    Tolerance for Shaft and Housing
     
    Model Shaft Dia. Housing Dia.
    BB15-1K-K BB15-2GD 1K-K 15-0.008-0.028 35-0.012-0.028
    BB17-1K-K BB17-2GD 1K-K 17-0.008-0.028 40-0.012-0.028
    BB20-1K-K BB20-2GD 1K-K 20-0.010-0.031 47-0.012-0.028
    BB25-1K-K BB25-2GD 1K-K 25-0.010-0.031 52-0.014-0.033
    BB30-1K-K BB30-2GD 1K-K 30-0.010-0.031 62-0.014-0.033
    BB35-1K-K BB35-2GD 1K-K 35-0.012-0.037 72-0.014-0.033
    BB40-1K-K BB40-2GD 1K-K 40-0.012-0.037 80-0.014-0.033
     
    Cam Clutch/One Way Clutch Bearings Bb25-2k-K for Backstop Running

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  • Changzhou RenBen Bearing Factory, is a manufacturer specialized in Producing Various One Way Bearings, One Way Clutch, Overrunning Clutch, Needle Roller Bearings. More than 2000 standard model of one way bearring over 1000 designations of metric and inch series needle bearings are regularly manufactured and widely used for motorcycles, electric and air powered tooling, printers, light and textile industries, machines, Construction machines, Cars Trucks, and office equipment in domestic and worldwide markets. In addition, special bearings are also provided in accordance upon customers' requirement for various applications. We have exported our products to Korea, Iran, Turkey, Bulgaria, Romania, Russia, Italy, Norway, the USA, Canada, etc.

    What are we?

    We are Changzhou Renben Bearing factory, it was founded in 1993, covered the aera of 4000 sq. M. Our factory was located in the economically developed coastal city-industrial district-Wujin Changzhou city of Jiangsu province. Here transportation is convenient, It will just take one hour to Shanghai by train.

    We also have Changzhou Global bearing trading company, integration of industry and trade.

    What the main product are produced?

    One way bearings, one way clutch, overrunning clutch, backstops, cam clutch, needle roller bearing, Supporting roller and curve bearings, Cylindrical roller bearings. Thrust ball bearings with falt seat. We have large stocks, and we also accpect producing for non-standard product, Customers' drawing or samples.

    What is our advantage?

    Product: In 1999, our boss as a engineer, started to develop and design one way clutch bearings when he worked in a big bearing factory. Untill now, We have successes to develop BB series, MZ series, TFS series, NSS series RSBW series, which to be confirmed reach in a high quality level can compared with TSUBAKI brand from Janpan.

    GFR series, DC series, ASNU series, NFR series, GFK series, NF series, AE series, AA series, ect, which to be confirmed reach in a high quality level can compared with STIEBER brand from German.

    FE series, FP series, FND series, FKN series one way clutch bearing, which to be confirmed reach a high quality level can compared with GMN brand from Germany.

    To continue to offer our customers the highest standard of service in our Industry. It is our intention to remain at the forefront of bearing supply and design and to continue our development into new bearing.

    Factory equipment: The company owns the most advanced CNC automatic production line, automatic assembly line, and a variedy of testing equipment. Bearings we manufactured are all low noise, low vibration, low friction, high precision, high sealed, high turning speed and long life.

    Quanlity control: 2011 We got the ISO9001: 2008 quality management system certification, , all our products are sent out before several times inspection. We also supply detailed drawings and offer whenever necessary.

    What's the application?

    Widely used in conveying machine, reducer, hoist, elevator, automobile, home appliances, textile machinery, printing machinery, food machinery and mine machines etc

    Where our products have been saled?

    Our products all over the world play an important role

    In Germany, Britain, the Netherlands, Spain, Italy,

    In Indian, Indonesia, the Philippines, Thailand,

    In Iran, Dubai

    In Mexico,

    In the United States

    "Quality and Service" must be your main concerns which we have put into practice, please browse our product category and let us know your inquiries. Our aim is to supply our customers meet with good quality and the best competitive prices. With adequate supply, large stock and convenient transportation, we warmly welcome new customers to visit us.
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  • Industrial Machinery-Transport & Communication Facilities-Motorcycle
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