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Needle Bearings

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Needle Bearings for Needle Bearings

 

Needle Bearings Structure:

Needle bearings are roller bearings with cylindrical rollers. The rollers are thin and long relative to their diameter. This kind of roller is called a needle roller. Although the bearing has a small cross-section, the bearing still has a high load bearing capacity. Needle bearing is equipped with thin and long rollers, so the radial structure is compact, and its inner diameter and load capacity are the same as other types of bearings.
Needle roller bearings are especially suitable for supporting structures with limited radial installation dimensions.
Neelde roller bearings are widely used in variable speed devices, for example, automobiles, tillers, machine tools, etc.

Features:

1. The outer ring of the drawn cup needle roller bearing adopts interference static fit with the bearing box, and does not require an axial fixing device.
It can ensure its flexible working performance even under high-speed and heavy-load conditions.
2. The advanced principle of drawn cup needle roller bearings is that the body has a large sealing grease volume, which can be left without lubrication for a long time.
Due to the high temperature lubrication interval, it can ensure long-term operation without worry.
3. Occupies a small space, which is conducive to the compact design of the machine.
Drawn cup needle roller bearings generally do not need an inner ring, because of its reasonable design, IR type inner ring can usually be used.
4. Drawn cup needle roller bearings are divided into two ends of the bearing perforated (HK type) and one end of the bearing closed type (BK type).
5. One end of the sealed type bearing of the drawn cup needle roller bearing is sealed, which is suitable for the shaft end and can withstand small axial free force.

Common Types of Needle Roller Bearings:

HK Perforated drawn cup needle roller bearings
HK…RS Perforated drawn cup needle roller bearings, single seal
HK…2RS Perforated drawn cup needle roller bearings, double seal
BK Sealed drawn cup needle roller bearings
BK…RS Sealed drawn cup needle roller bearings, single seal
MF Sealed drawn cup needle roller bearings with full pointed ends
MFY Sealed drawn cup needle roller bearings, flat head full needle type
F Perforated drawn cup needle roller bearings, full-point needle type
FY Perforated drawn cup needle roller bearings, flat head full needle type
SCE Perforated drawn cup needle roller bearings, inch series
BCE Sealed drawn cup needle roller bearings, inch series

Drawn Cup Needle Roller Bearing Size Chart:

Shaft Dia (mm) New Code Old Code Mass(g) Fw(mm) D(mm) C(mm)
4 HK0408TN 37941/4 1.6 4 8 8
5 HK0509 47941/5 2 5 9 9
6 HK0607 27941/6 1.8 6 10 7
HK0608 37941/6 2.1 6 10 8
HK0609 47941/6 2.2 6 10 98
HK06×12×08 2.5 6 12 8
7 HK0709 47941/7 2.3 7 11 9
8 HK0808 37941/8 2.7 8 12 8
HK0810 57941/8 3 8 12 10
HK08×14×10 27942/8 5.35 8 14 10
HK08×14×12 37942/8 6.6 8 14 12
9 HK0908 37941/9 3 9 13 8
HK0910 57941/9 4 9 13 10
HK0912 67941/9 4.6 9 13 12
HK09×15×10 27942/9 5.6 9 15 10
10 HK1010 57941/10 4.1 10 14 10
HK1012 67941/10 4.8 10 14 12
HK1015 – 6 10 14 15
12 HK1208 37941/12 3.3 12 16 8
HK1210 57941/12 4.6 12 16 10
HK1212 67941/12 5.6 12 16 12
13 HK1312 – 8.9 13 19 12
14 HK1410 27941/14 8.3 14 20 10
HK1412 37941/14 10.5 14 20 12
HK1416 57941/14 13.9 14 20 16
15 HK15×20×12 7941/15 8.4 15 20 12
HK15×20×16 7942/15 11.4 15 20 16
HK15×20×20 7943/15 13.8 15 20 20
HK1512 37941/15 11.1 15 21 12
HK1514 47941/15 12.7 15 21 14
HK1515 – 14.2 15 21 15
HK1516 57941/15 15 15 21 16
HK1522 SZ-439 20.4 15 21 22
HK15×22×12 7948/15 12.5 15 22 12
16 HK16×21×09 – 7.5 16 21 9
HK1612 37941/16 11.7 16 22 12
HK1614 47941/16 14.4 16 22 14
HK1616 57941/16 15.8 16 22 16
HK1617 SZ-435 18 16 22 17
HK1622 87941/16 21.7 16 22 22
17 HK1712 37941/17 12.2 17 23 12
HK1714 7941/17 14 17 23 14
HK1716 57941/17 15.9 17 23 16
HK1718 7942/17 19 17 23 18
18 HK1812 37941/18 13.1 18 24 12
HK1816 57941/18 17.5 18 24 16
19 HK19×27×16 TA1916 23 19 27 16
20 HK2010 27941/20 11.8 20 26 10
HK2012 37941/20 14.4 20 26 12
HK2014 47941/20 15.7 20 26 14
HK2016 57941/20 19.3 20 26 16
HK2018 67941/20 23.3 20 26 18
HK2020 79421/20 24.1 20 26 20
HK2025 7943/20 28 20 26 25
HK2030 – 34.7 20 26 30
HK20×28×16 47942/20 28.5 20 28 16
22 HK2210 27941/22 12.3 22 28 10
HK2212 37941/22 15 22 28 12
HK2216 57941/22 20.9 22 28 16
HK2220 77941/22 26.2 22 28 20
HK2230 – 32 22 28 30
25 HK2512 27941/25 20 25 32 12
HK2514 37941/25 21.9 25 32 14
HK2516 7941/25 27.3 25 32 16
HK2518 57941/25 28.2 25 32 18
HK2520 67941/25 34.1 25 32 20
HK2525 7943/25 40 25 32 25
HK2526 – 44.8 25 32 26
HK2538 87941/25 64.7 25 32 38
HK25×35×20 57942/25 44.9 28 35 20
28 HK2816 47941/28 30.1 28 35 16
HK2818 57941/28 31.7 28 35 18
HK2820 67941/28 37.6 30 35 20
30 HK3012 27941/30 24 30 37 12
HK3016 47941/30 32 30 37 16
HK3018 57941/30 33.6 30 37 18
HK3020 67941/30 40.1 30 37 20
HK3026 – 52.9 30 37 26
HK3038 – 76.1 30 37 38
HK30×38×12 27941/30 28 30 38 12
HK30×38×16 7941/30 32.7 30 38 16
HK30×38×24 7942/30 49 30 38 24
HK30×38×32 7943/30 69 30 38 32
32 HK3224 77941/32 50.7 32 39 24
HK3232 97941/32 66.4 32 39 32
HK32×40×32 7943/32 72.7 32 40 32
35 HK3512 59741/35 27.7 35 42 12
HK3516 47941/35 36.9 35 42 16
HK3520 67941/35 46.1 35 42 20
HK35×43×16 7941/35 37 35 43 16
HK35×43×25 7942/35 60.5 35 43 25
HK35×43×32 7943/35 80 35 43 32
38 HK38×48×30 – 102 38 48 30
40 HK4012 27941/40 31.1 40 47 12
HK4016 47941/40 41.4 40 47 16
HK4020 67941/40 51.8 40 47 20
HK40×50×32 7942/40 114.3 40 50 32
HK40×50×38 7943/40 130.8 40 50 38
45 HK4512 27941/45 34.8 45 52 12
HK4516 47941/45 46.2 45 52 16
HK4520 67941/45 56 45 52 20
HK5012 27941/50 44.2 50 58 12
HK5020 47941/50 72 50 58 20
HK5025 7943/50 90.1 50 58 25
55 HK5520 57941/55 78 55 63 20
HK5525 77941/55 109 55 63 25
HK5528 87941/55 111 55 63 28
60 HK6012 – 49.2 60 68 12
HK6020 57941/60 86 60 68 20

Where Needle Bearings connects with the next buying steps

When Needle Bearings is already on the screen, the next useful move is usually a tighter comparison and one clearer buying path. The links below keep those next options visible without breaking the flow of the research.

Other Ball & Roller Bearings Review the wider special / other bearings range before narrowing the shortlist. Contact Us This keeps the buying conversation moving once the most suitable options are already visible. About Us Review this when inspection standards, manufacturing proof, or company background matter to the decision. Quality Control Use this destination when trust signals need to stay visible beside the product or topic review.

Questions that usually come up after Needle Bearings

Which next options usually help after reviewing Needle Bearings?

Most buyers benefit from one broader family destination, one more commercial route, and one supporting guide that answers the next practical question. That combination usually turns research into a clearer shortlist.

Why add related bearing destinations beside Needle Bearings?

Because the first answer often leads to a second question about fit, applications, supplier choice, or repeat-order confidence. Keeping those next destinations close reduces unnecessary backtracking.

When is it worth moving from reading into a quote or product review?

That move usually makes sense once the topic has narrowed the likely bearing family and the remaining unknowns are commercial, dimensional, or application-specific rather than purely educational.

What usually makes the next bearing decision easier after Needle Bearings?

The process is often easier when the wider family view, the more commercial destination, and one practical guide stay visible together. That keeps the decision grounded in both application detail and buying reality.

Buyer FAQ

Questions buyers ask before choosing the next bearing option

What is the main takeaway from Needle Bearings?

The main takeaway is that needle bearings should be checked against the bearing family, dimensions, load direction, speed, and operating conditions instead of relying on the title or size alone.

When should I use this guide before requesting a quote?

Use the guide when you are comparing bearing models, checking suffix meanings, confirming seal or clearance choices, planning maintenance, or preparing details for replacement, production, or OEM sourcing.

How does this topic connect to special / other bearings?

The topic supports the Special / Other Bearings decision path by helping buyers understand fit, performance, specification details, or maintenance factors before choosing a product page or contacting the team.

Can this guide replace a final specification check?

No. The guide helps prepare the decision, but a final check should still confirm the part number, dimensions, load, speed, seal, clearance, precision, application, and order quantity.

What should I send if I need help after reading this guide?

Send the bearing number, measured size, photos if available, application, quantity, and any special operating conditions. That gives the team enough context to recommend the right product family or quote route.

Need help checking fit, price, or lead time? Request a bearing quote

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BCE SCE Needle Roller Bearings Size Chart
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