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.

|
Bearing Designations
|
Shaft Diameter(mm)
|
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
|
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.
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.

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.
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.
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.
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.

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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