China supplier Drawn Cup Needle Roller Bearings Bk4012, Bk4016, Bk4020, Bk4512, Bk4516, Bk4520, Bk5020, Bk5025, Bk5520, Bk5528, Bk6012, Bk6020, Bk6032 bearing air

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: Radial 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

Customization and Machining of Cup Bearings for Specific Applications

Yes, cup bearings can be customized or machined to suit specific applications, and this customization can involve several aspects:

1. Material Selection: Depending on the application’s requirements, cup bearings can be manufactured from different materials such as steel, stainless steel, bronze, or other alloys. The choice of material can impact factors like corrosion resistance and load capacity.

2. Size and Dimensions: Cup bearings can be customized in terms of their inner and outer diameters, width, and overall dimensions to fit the specific space and load requirements of the machinery or equipment they are intended for.

3. Lubrication: Some applications may benefit from special lubrication requirements. Customized cup bearings can be pre-greased with specific lubricants or seals to withstand extreme temperatures, contamination, or other environmental factors.

4. Seals and Shields: In harsh environments, customized cup bearings can be equipped with additional sealing or shielding to protect against contaminants and moisture, ensuring reliable performance in challenging conditions.

5. Load Capacity: Custom cup bearings can be engineered with higher load-carrying capabilities to support heavy loads in specialized machinery, such as construction equipment or industrial presses.

6. Mounting Arrangements: Cup bearings can be customized with unique mounting configurations or flanges to simplify installation or address specific spatial constraints.

7. Coatings: For applications where anti-corrosion properties are essential, customized cup bearings can be coated with materials like zinc or nickel for added protection.

Customization and machining of cup bearings are often carried out by manufacturers or suppliers with expertise in bearing solutions. The goal is to tailor the bearings to meet the precise demands of the application, ensuring optimal performance, reliability, and longevity.

cup bearing

Usage of Cup Bearings in Heavy-Duty and Industrial Machinery

Yes, cup bearings are commonly employed in heavy-duty and industrial machinery applications due to their durability and load-carrying capabilities. These applications include:

1. Construction Equipment: Cup bearings are used in heavy construction machinery such as excavators, cranes, bulldozers, and concrete mixers to support radial and axial loads in harsh working environments.

2. Mining Equipment: Mining machinery, like crushers, conveyors, and drilling rigs, rely on cup bearings to handle the extreme loads and abrasive conditions found in mining operations.

3. Agricultural Machinery: Farming equipment, including tractors and combines, uses cup bearings for various components, providing reliable operation in dusty and challenging farming conditions.

4. Material Handling: Industrial material handling equipment, like forklifts, conveyors, and packaging machinery, depends on cup bearings for smooth movement and load support.

5. Heavy Manufacturing: In manufacturing settings, cup bearings are integrated into machinery such as presses, stamping equipment, and injection molding machines to facilitate precision movement and support heavy loads.

6. Automotive Manufacturing: Cup bearings play a crucial role in automotive manufacturing processes, ensuring the functionality of robotic arms, conveyors, and assembly line equipment.

7. Marine and Offshore: Machinery used in marine and offshore applications, including winches, cranes, and propulsion systems, rely on cup bearings to withstand saltwater exposure and heavy loads.

8. Power Generation: In power plants, cup bearings are used in generators, turbines, and other machinery to support rotational elements, demonstrating their ability to handle high temperatures and forces.

These examples illustrate the versatility and resilience of cup bearings, making them a valuable choice for various heavy-duty and industrial machinery applications.

cup bearing

Cup Bearings: Functions and Operation

Cup bearings, also known as tapered roller bearings, are critical components in various machinery and automotive systems. They serve the crucial function of enabling the smooth and efficient rotation of a shaft or assembly. Here’s how cup bearings function in machinery:

1. Tapered Design: Cup bearings have a unique tapered design, which includes an outer ring (the cup) and an inner ring (the cone). This design allows for efficient distribution of radial and axial loads, making them suitable for a wide range of applications.

2. Reduction of Friction: Cup bearings reduce friction between moving parts, enabling the assembly to rotate with minimal resistance. This reduction in friction helps improve the efficiency of the machinery and reduces heat generation.

3. Radial and Axial Load Handling: Cup bearings are capable of handling both radial (perpendicular to the shaft) and axial (parallel to the shaft) loads. This versatility makes them suitable for applications where loads may vary in direction.

4. High Precision: Cup bearings are manufactured to high-precision standards, ensuring that they provide accurate and stable rotation. This precision is essential in applications where exact positioning and smooth motion are critical.

5. Rolling Elements: Cup bearings contain rolling elements (usually tapered rollers) positioned between the inner and outer rings. These rolling elements transmit the load from one ring to the other with very little friction, enhancing the bearing’s load-carrying capacity.

6. Lubrication: Proper lubrication is crucial for the smooth operation of cup bearings. Lubricant reduces friction and wear, prolonging the bearing’s service life. Lubrication also helps dissipate heat generated during operation.

7. Applications: Cup bearings are commonly used in automotive applications, including wheel hubs and transmissions, as well as industrial machinery such as conveyors, gearboxes, and agriculture equipment.

8. Adjustability: In many cup bearing designs, the axial position of the inner ring (cone) can be adjusted, allowing for precise control over the assembly’s clearance and preload. This adjustability is valuable for fine-tuning the bearing’s performance.

9. Longevity: Cup bearings are designed for durability and can provide a long service life when properly maintained. Regular maintenance, including lubrication and monitoring for wear, is essential to maximize their longevity.

Overall, cup bearings play a fundamental role in machinery by reducing friction, enabling efficient load transmission, and ensuring precision in rotation. Their versatility and reliability make them indispensable in various mechanical and automotive systems.

China supplier Drawn Cup Needle Roller Bearings Bk4012, Bk4016, Bk4020, Bk4512, Bk4516, Bk4520, Bk5020, Bk5025, Bk5520, Bk5528, Bk6012, Bk6020, Bk6032   bearing airChina supplier Drawn Cup Needle Roller Bearings Bk4012, Bk4016, Bk4020, Bk4512, Bk4516, Bk4520, Bk5020, Bk5025, Bk5520, Bk5528, Bk6012, Bk6020, Bk6032   bearing air
editor by CX 2024-05-15

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