Needle Roller Bearing BK2020

1.Sizes:Inner Diameter:20mm Outer Diameter:26mm Width:20mm
2.Material: Gcr15/Bearing steel
3.Cage: Steel stamped/PA66
4.Primary Application Range:Optical equipment: printer rollers, fan motor shafts, small pumps
5.Delivery time: 7 working days
6.Support OEM.customization
7.Samples: Sample service available
Product Description

Needle Roller Bearing BK2020 - Compact Solution for Shaft End Applications

When you need reliable shaft end sealing combined with exceptional radial load capacity, the Needle Roller Bearing BK2020 delivers proven performance in demanding industrial applications. This metric drawn cup bearing features an integrated closed end design that eliminates the need for separate end caps while maintaining superior load handling in minimal space. Our product is engineered to solve critical industry challenges including lubricant retention, contamination protection, and space optimization in compact machinery designs. With dimensions of 20mm inner diameter, 26mm outer diameter, and 20mm width, this bearing provides an ideal solution for applications requiring both radial support and shaft end closure.

Needle Roller Bearing BK2020

Technical Specifications

Bearing Designations
Shaft Diametermm
Boundary Dimensions(mm)
Basic Load Rating(N)
Limiting Speed(r/min)
Weight(g)
 
 
Fw
D
C
Cr
Cor
Oil
 
BK0306
3
3
6.5
6
1320
950
6000
1.6
BK0408
4
4
8
8
1540
1070
40000
1.8
BK0509
5
5
9
9
2200
1790
36000
2.1
BK0608
6
6
10
8
1830
1550
32000
2.2
BK0609
6
6
10
9
2650
2400
30000
2.6
BK0709
7
7
11
9
2800
2150
27000
2.9
BK0808
8
8
12
8
2550
2400
21000
3
BK0810
8
8
12
10
3700
3450
21000
3.4
BK08X14X10
8
8
14
10
3800
3950
25000
5.8
BK0908
9
9
13
8
3650
4050
25000
3.4
BK0910
9
9
13
10
4050
4250
25000
4.3
BK0912
9
9
13
12
5000
6000
25000
4.9
BKl010
10
10
14
10
3900
4800
19000
4.3
BKl012
10
10
14
12
5000
6300
19000
5
BKl015
10
10
14
15
6700
7800
19000
6.2
BKl0X16X10
10
10
16
10
6800
8800
18000
6.8
BKl210
12
12
16
10
4150
5800
19000
5.2
BKl212
12
12
16
12
3800
5100
15000
6.2
BKl2X18X12
12
12
18
12
5500
6300
17000
10.3
BKl312
13
13
19
12
6200
7100
17000
11.2
BKl410
14
14
20
10
6700
7000
16000
12.1
BKl512
15
15
21
12
7000
8400
14000
12.7
BKl515
15
15
21
15
9800
11400
14000
14.2
BKl516
15
15
21
16
9800
11400
14000
16.5
BKl518
15
15
21
18
10100
10800
14000
18
BKl522
15
15
21
22
10400
16500
14000
22
BKl612
16
16
22
12
7100
9200
14000
13.8
BKl616
16
16
22
16
10100
14300
14000
17.6
BKl622
16
16
22
22
11100
17400
14000
23.4
BKl712
17
17
23
12
6900
9300
13000
14.5
BKl716
17
17
23
16
8500
12500
10000
14.6
BKl812
18
18
24
12
7100
9900
12000
14.9
BKl816
18
18
24
16
10600
15300
12000
19.9
BK2010
20
20
26
10
5900
7200
10000
14
BK2012
20
20
26
12
7600
10100
10000
16.7
BK2016
20
20
26
16
11700
29100
10000
22.3
BK2020
20
20
26
20
13700
24000
10000
27.1
BK2030
20
20
26
30
21800
40000
10100
43
BK2212
22
22
28
12
8100
10400
10100
18.1
BK2216
22
22
28
16
11400
18100
10100
24.3
BK2220
22
22
28
20
14500
25000
10100
29.9
BK2512
25
25
32
12
10000
14200
9000
23.2
BK2516
25
25
32
16
13600
50000
9000
31
BK2520
25
25
32
20
17900
30000
9000
38.7
BK2526
25
25
32
26
22500
42000
9000
49
BK2538
25
25
32
38
30000
58000
9000
69
BK2816
28
28
35
16
15400
22500
8700
34.1
BK2820
28
28
35
20
18900
32000
8700
43
BK3012
30
30
37
12
10100
16200
8100
27.9
BK3016
30
30
37
16
15200
27000
8100
37.1
BK3020
30
30
37
20
19700
33500
8100
46.5
BK3026
30
30
37
26
24000
50000
8100
59.4
BK3038
30
30
37
38
32500
74000
8100
82.5
BK3512
35
35
42
12
12100
19300
7100
32.9
BK3516
35
35
42
16
15700
27500
7100
43.8
BK3520
35
35
42
20
20800
41000
7100
54.8
BK3530
35
35
42
30
20801
41001
7101
58.4
BK4012
40
40
47
12
14000
24300
6300
38.2
BK4016
40
40
47
16
20000
38500
6300
51
BK4020
40
40
47
20
25500
52000
6300
62
BK4512
45
45
52
12
12900
22500
5800
45
BK4516
45
45
52
16
19300
38000
5800
56
BK4520
45
45
52
20
22000
51000
5800
72
BK5020
50
50
58
20
28000
60000
5300
87.3
BK5025
50
50
58
25
34500
80000
5300
109
BK5520
55
55
63
20
29500
59900
4600
93.8
BK5528
55
55
63
28
39090
98000
4600
132
BK6012
60
60
68
12
12400
29000
4100
77
BK6020
60
60
68
20
30500
72000
4100
105
BK6032
60
60
68
32
50000
131000
4100
164

Design Structure and Working Principle

The BK2020 utilizes a deep-drawn external ring development with an indispensably closed conclusion. This structure comprises of accuracy needle rollers orchestrated circumferentially inside a thin-walled external ring. The closed conclusion cap is shaped amid the drawing handle, making a solid bearing unit.

The working guideline centers on the needle rollers conveying outspread loads over the raceway surfaces. When legitimately introduced with impedances fit, the external ring accept its genuine circular shape inside the lodging. The lean roller profile maximizes the number of load-carrying components whereas minimizing spiral envelope requirements.

This plan conveys three key execution preferences: remarkable spiral stack capacity inside negligible space, coordinates shaft conclusion fixing without extra components, and rearranged get together methods that decrease fabricating complexity.

Key Performance Advantages

Space Optimization: The thin-wall development gives greatest inner volume for needle rollers, accomplishing outspread stack evaluations regularly requiring bigger ordinary bearings.

Integrated Fixing: The closed conclusion kills grease spillage and avoids defilement entrance without requiring partitioned conclusion caps or seals, diminishing component tally and get together complexity.

Cost Productivity: Single-component plan decreases stock prerequisites and streamlines lodging machining compared to multi-component bearing arrangements.

Load Conveyance: Different needle rollers guarantee uniform stack dispersion over the raceway, expanding bearing life beneath tall outspread loads.

Needle Roller Bearing BK2020

Primary Applications

Automotive Transmissions: Gearbox move shaft gatherings where the bearing underpins outspread loads whereas anticipating adapt oil movement into actuator lodgings. Working dependably in high-temperature oil situations up to 120°C.

Hydraulic Equip Pumps: Drive shaft dazzle conclusion applications requiring outspread back and liquid control. The closed plan keeps up pump volumetric effectiveness by anticipating pressure driven liquid bypass.

Electric Engine Frameworks: Starter engine applications requesting vibration resistance and defilement assurance. The coordinates conclusion cap shields engine internals from chassis-mounted natural hazards.

Small Apparatus: Printer roller gatherings, fan engine shafts, and compact pump applications where space limitations require greatest stack capacity in negligible spiral envelopes.

Installation and Housing Requirements

Proper establishment requires a devoted establishment device that applies drive to the bearing edge, never through the rollers or closed conclusion. The thin-walled development requests cautious dealing with amid assembly.

Housing resistance proposals incorporate H7 or N7 fits for steel lodgings to accomplish legitimate impedances. This impedances fit is basic for setting up redress working clearance and pivotal retention.

The bearing shows up out-of-round when measured with calipers due to the adaptable lean divider. Last circular shape is accomplished as it were after press-fitting into a unbending lodging, making ring gage confirmation the appropriate estimation method.

Quality Assurance and Manufacturing

Our fabricating prepare consolidates high-purity bearing steel and exactness crushing innovation to guarantee steady execution. Each bearing experiences comprehensive quality confirmation counting vibration testing and dimensional inspection.

We keep up strict quality control through our three-level assessment framework covering crude fabric confirmation, in-process checking, and wrapped up item approval. This precise approach guarantees over 99.9% capability rates for requesting mechanical applications.

Our Needle Roller Bearing BK2020 production utilizes specialized heat treatment processes optimized for thin-wall bearing requirements, ensuring proper hardness distribution while maintaining dimensional stability.

Customization and Technical Support

We provide comprehensive customization services for non-standard applications requiring modified dimensions or special materials. Our engineering team offers technical consultation for application-specific requirements including load analysis and housing design recommendations.

Sample services are available for evaluation purposes, enabling testing under actual operating conditions before full production commitment. Our technical support includes installation guidance and troubleshooting assistance to ensure optimal bearing performance.

For complex applications requiring bearing selection assistance or custom solutions, our experienced engineers provide detailed analysis and recommendations based on your specific operating parameters and environmental conditions.

Needle Roller Bearing BK2020

Contact Information

For technical specifications, application guidance, or quotation requests regarding the Needle Roller Bearing BK2020, contact our engineering team at auto@lyautobearing.com. We provide comprehensive support from initial selection through installation and maintenance to ensure optimal bearing performance in your applications.

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