China Hot selling Drawn Cup Needle Roller Bearings Bk0408tn, Bk0509, Bk0608, Bk0609, Bk0709, Bk0808, Bk0810, Bk0908, Bk0910, Bk0912 double row ball bearing

Product Description

Needle roller bearings contain many slender rollers with a length 3 to 10 times their diameter. Therefore, the ratio of the bearing outside diameter to the inscribed circle diameter is small, and they have a rather high radial load capacity. There are numerous types available, and many have no inner rings. The drawn-cup type has a pressed steel outer ring and the solid type has a machined outer ring. There are also cage-and-roller assemblies without rings. Most bearings have pressed steel cages, but some are without cages.
Needle roller bearings have a high load carrying capacity in addition to their low cross-section and stiffness. They are especially suitable for bearing arrangements where radial space is limited because needle roller bearings only carry pure radial load and can not limit the axial displacement of shaft relative to the housing. It is important to ensure that inner ring axis and outer ring axis must be aligned during mounting the bearings.
 

Model Number HK series, BK series, HK…RS series, HK…2RS series, BK…RS series, F series, FH series, MF series,  
HF series, CZPT series, K series, K…ZW series, KZK series, KBK series, NK series, NKS series, RNA49 series,
RNA69 series, NKI series, NKIS series, NA49 series, NA69 series, NA48 series, NAO series, RNAO series,
RNA49…RS series, RNA49… 2RS series, RNAV series, NAV series, RPNA series, PNA series, IR series,
LR series, AXK series, AXW series, RSTO series, STO series, RNA2200 series, RNA2200…2RS series,
NA2200 series, NATR series, NATV series, NUTR series, PWTR series, NNTR series, KR series, KRE series,
KRV series, NUKR series, NUKRE series, PWKR series, PWKRE series.
Type needle roller bearing.
Number of Row single row, double row, multi row.
Material supreme chrome steel 100Cr6.
Cage Material steel, brass, nylon.
Hardness HRC 60-64.
Precision Rating P0, P6, P5.
Radial Clearance C0, C2, C3, C4, C5.
Sealing Type open, 2RS.
Grease as per your requirement, such as Chevron SRI-2 ,Multemp PS2, Shell Alvania R2, Changcheng 2 and so on.
Certification ISO 9001:2015.
Mark TIK or your mark.
Package single box package, industrial rolled package or as per buyer’s requirement.
Place of Origin China (Mainland).
Features (1) high precision;
(2) high speed;
(3) high load carrying capacity;
(4) low noise;
(5) long life span.
Application transport machinery, CNC machine, sewing machinery, handcart, physical exercise apparatus, motorcycle,
automobile, electric tool, leisure toys, textile machinery, printing machinery etc.
Payment Term  30% deposit, 70% is paid by TT or L/C or Western Union.
Shipment time ready stock, immediate shipment.
Shipping Port ZheJiang , ZheJiang or HangZhou.
Samples free samples are available.

 

Bearing No. Boundary dimensions(mm) Basic load ratings(N) Limiting speeds(rpm) Mass(g)
Fw D C Cr Cor Oil  
BK0408TN 4 8 8 1540 1070 40000 1.80
BK0509 5 9 9 2200 1790 36000 2.10
BK0608 6 10 8 1830 1550 32000 2.20
BK0609 6 10 9 2650 2400 3000 2.60
BK0709 7 11 9 2800 2150 27000 2.90
BK0808 8 12 8 2550 2400 21000 3.00
BK571 8 12 10 3700 3450 21000 3.40
BK08X14X10 8 14 10 3800 3950 25000 5.80
BK 0571 9 13 8 3650 4050 25000 3.40
BK571 9 13 10 4050 4250 25000 4.30
BK571 9 13 12 5000 6000 25000 4.90
BK1571 10 14 10 3900 4800 19000 4.30
BK1012 10 14 12 5000 6300 19000 5.00
BK1015 10 14 15 6700 7800 19000 6.20
BK10X16X10 10 16 10 6800 8800 18000 6.80
BK1210 12 16 10 4150 5800 19000 5.20
BK1212 12 16 12 3800 5100 15000 6.20
BK12X18X12 12 18 12 5500 6300 17000 10.30
BK1312 13 19 12 6200 7100 17000 11.20
BK1410 14 20 10 6700 7000 16000 12.10
BK1512 15 21 12 7000 8400 14000 12.70
BK1515 15 21 15 9800 11400 14000 15.30
BK1516 15 21 16 9800 11400 14000 16.50
BK1522 15 21 22 10400 16500 14000 22.00
BK1612 16 22 12 7100 9200 14000 13.80
BK1616 16 22 16 15710 14300 14000 17.60
BK1622 16 22 22 11100 17400 14000 23.40
BK1712 17 23 12 6900 9300 136000 14.50
BK1812 18 24 12 7100 9900 12000 14.90
BK1816 18 24 16 10600 15300 12000 19.90
BK2571 20 26 10 5900 7200 10000 14.00
BK2012 20 26 12 7600 15710 10000 16.70
BK2016 20 26 16 11700 29100 10000 22.30
BK2571 20 26 20 13700 24000 10000 27.10
BK2030 20 26 30 21800 40000 15710 37.40
BK2212 22 28 12 8100 10400 1571 18.10
BK2216 22 28 16 11400 18100 1571 24.30
BK2220 22 28 20 14500 25000 1571 29.90
BK2512 25 32 12 10000 14200 9000 23.20
BK2516 25 32 16 13600 50000 9000 31.00
BK2520 25 32 20 17900 30000 9000 38.70
BK2526 25 32 26 22500 42000 9000 49.00
BK2538 25 32 38 30000 58000 9000 69.00
BK2816 28 35 16 15400 22500 8700 34.10
BK2820 28 35 20 18900 32000 8700 43.00
BK3012 30 37 12 15710 16200 8100 27.90
BK3016 30 37 16 15200 27000 8100 37.10
BK3571 30 37 20 19700 33500 8100 46.50
BK3026 30 37 26 24000 50000 8100 59.40
BK3038 30 37 38 32500 74000 8100 82.50
BK3512 35 42 12 12100 19300 7100 32.90
BK3516 35 42 16 15700 27500 7100 43.80
BK3520 35 42 20 20800 41000 7100 54.80
BK4012 40 47 12 14000 24300 6300 38.20
BK4016 40 47 16 20000 38500 6300 51.00
BK4571 40 47 20 25500 52000 6300 62.00
BK4512 45 52 12 12900 22500 5800 45.00
BK4516 45 52 16 19300 38000 5800 56.00
BK4520 45 52 20 22000 51000 5800 72.00
BK5571 50 58 20 28000 60000 5300 87.30
BK5571 50 58 25 34500 80000 5300 109.00
BK5520 55 63 20 29500 59900 4600 93.80
BK5528 55 63 28 39090 98000 4600 132.00
BK6012 60 68 12 12400 29000 4100 77.00
BK6571 60 68 20 30500 72000 4100 105.00
BK6032 60 68 32 50000 131000 4100 164.00

 

FAQ

Q1: Are you a manufacturer or a trading company?
A: We have been a professional manufacturer of bearings since 1995 with ISO9001:2015 certificate.

Q2: How is the quality level of your bearings?
A: Our bearings are made of supreme GCr15 bearing steel and are produced with the first class workmanship. The tolerance grade could be P0, P6, P5, P4. The vibration level could be Z1V1, Z2V2, Z3V3.

Q3: Can I get samples to see the quality?
A: Yes, samples are free, but the courier charge shall be borne by the buyer.

Q4: Could you offer OEM service and print my logo/mark on the products?
A: Yes, we could. Please send us your mark registration files, we shall print your logo/mark on the bearings and package.

Q5: How is the lead time?
A: For regular items that are in stock, we could make shipment immediately right after your payment. If the goods are not in stock, our production time is from 15 to 45 days according to the quantity.

Q6: What if I receive defective product for my order?
A: All our bearings are 100% inspected strictly before packing. If you receive any defective product, please provide us photos or videos to show the problem. After confirmation, we shall send you the new product as replacement free of charge.

Q7: What is your term of payment?
A: Term of payment is negotiable. Usually it is 30% deposit in advance, and the balance 70% is paid when the goods are ready for shipment.

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing
Samples:
US$ 0.00/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

cup bearing

Contribution of Cup Bearings to Smooth Operation and Reduced Friction

Cup bearings play a crucial role in ensuring the smooth operation of machinery while minimizing friction. Their design and functions contribute to this in several ways:

  • Reduced Friction: Cup bearings are designed to minimize friction between moving parts. Their rolling elements, such as balls or rollers, reduce contact surfaces and enable smooth, low-friction movement. This reduces energy consumption and heat generation in the machinery.
  • Load Distribution: Cup bearings distribute loads evenly across their rolling elements. This even load distribution prevents excessive stress on specific points and ensures that the machinery operates smoothly without experiencing undue wear or damage.
  • Alignment Tolerance: Cup bearings can accommodate misalignment to some degree. This ability to handle minor misalignments ensures that even in less-than-ideal conditions, the machinery can continue to operate smoothly and efficiently.
  • Minimized Wear: The rolling elements and races of cup bearings are often made from materials with excellent wear resistance. This minimizes wear and extends the service life of the bearing and the machinery in which it is used.
  • Reduced Heat Generation: The low friction and efficient load distribution of cup bearings result in reduced heat generation during operation. This is particularly important in high-speed machinery where excessive heat can lead to premature wear and reduced efficiency.

Overall, cup bearings contribute to the efficient and smooth operation of machinery by reducing friction, ensuring even load distribution, and providing tolerance for misalignment. These factors are essential for minimizing wear, extending the lifespan of the machinery, and maintaining high performance.

cup bearing

Contribution of Cup Bearings to Machinery Durability and Reliability

Cup bearings play a significant role in enhancing the durability and reliability of machinery by offering several key benefits:

1. Load Distribution: Cup bearings distribute axial and radial loads evenly, preventing localized wear and reducing the risk of premature component failure.

2. Reduced Friction: These bearings minimize friction between moving parts, leading to smoother operation, less heat generation, and increased energy efficiency.

3. Precision: Cup bearings provide precise control over the positioning of machine components, ensuring accurate alignment and reduced wear over time.

4. Longevity: Properly maintained cup bearings have a longer service life, resulting in less frequent replacements and reduced downtime.

5. Low Maintenance: Self-lubricating cup bearings require minimal maintenance, reducing operational costs and extending the intervals between servicing.

6. Versatility: Cup bearings are adaptable and available in various sizes and designs to suit different applications, making them versatile components in machinery.

7. Load-Carrying Capacity: These bearings can handle substantial loads, making them suitable for heavy-duty applications where durability is crucial.

8. Contaminant Protection: Proper sealing options in cup bearings shield internal components from contaminants, ensuring a cleaner and more reliable operation.

9. Shock and Vibration Resistance: Cup bearings are designed to withstand shock loads and vibrations, maintaining stability in machinery subjected to varying operating conditions.

10. Consistency: The manufacturing precision of cup bearings ensures consistent performance, reducing variability in machinery operation.

Overall, cup bearings contribute to the longevity, reliability, and efficient operation of machinery across a wide range of industries, making them indispensable components in mechanical systems.

cup bearing

Load-Carrying Capacity and Load Ratings of Cup Bearings

Cup bearings are designed to carry both radial and axial loads, and their load-carrying capacity is a critical factor in their performance. Load ratings for cup bearings are specified to help users understand their capabilities:

1. Radial Load Capacity: The radial load capacity of a cup bearing refers to its ability to support loads that are perpendicular to the shaft’s axis. This capacity is determined by factors such as the type of bearing, size, material, and design. Manufacturers provide radial load ratings in pounds or newtons to indicate the maximum radial load that a cup bearing can handle under ideal conditions.

2. Axial Load Capacity: The axial load capacity pertains to the cup bearing’s ability to support loads parallel to the shaft’s axis. Like radial load capacity, axial load capacity is specified by manufacturers and given in pounds or newtons. The design and construction of the bearing determine its axial load rating.

3. Combined Load Capacity: Cup bearings can handle combined radial and axial loads. Manufacturers specify the combined load rating to inform users about the maximum combined load, both radial and axial, that the bearing can support without premature failure. This rating is essential when the application involves varying loads or moments acting on the bearing.

It’s crucial to select cup bearings with load ratings that exceed the expected loads in the application. Factors like operating speed, temperature, lubrication, and misalignment can influence the effective load-carrying capacity of the bearing. Properly matching the bearing’s load ratings to the application’s requirements ensures reliable and long-lasting performance.

China Hot selling Drawn Cup Needle Roller Bearings Bk0408tn, Bk0509, Bk0608, Bk0609, Bk0709, Bk0808, Bk0810, Bk0908, Bk0910, Bk0912   double row ball bearingChina Hot selling Drawn Cup Needle Roller Bearings Bk0408tn, Bk0509, Bk0608, Bk0609, Bk0709, Bk0808, Bk0810, Bk0908, Bk0910, Bk0912   double row ball bearing
editor by CX 2024-05-13