Long Cylindrical Type Rack Needle Roller Bearing K 15X21X12 Size 15*21*12mm
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Product Highlights
- High Precision & Accuracy: Manufactured with fine grinding and polishing processes for high accuracy.
- Low Noise Operation: Features high speed and low noise characteristics for smooth performance.
- Corrosion Resistance: Made of high-quality Baosteel with smooth surface and corrosion resistance.
- Long Service Life: Durable design avoids repeated disassembly and maintenance troubles.
- High Load Resistance: Suitable for high-demand occasions with strong load bearing capacity.
- OEM/ODM Support: Customization available for bore size, model, weight, and driving torque.
Product Attributes
- Customization
- Available
- Cage
- Without Cage
- Rows Number
- Single
- Model NO.
- K 15x21x12
- Load Direction
- Radial Bearing
- Style
- With Outer Ring, With Inner Ring
- Material
- Alloy
- Type
- Open
- Bore Size
- 8 - 12 mm
- Model Number
- HK Bearings Series
- Weight
- 1.6-23G
- Driving Torgue
- 2.5-108nm
- Trait
- High Speed and Low Noise
- Transport Package
- Carbon Box
- Specification
- HK BK
- Trademark
- WF
- Origin
- China
- HS Code
- 8483401090
- Production Capacity
- 10000pieces/Month
- Package Size
- 20.00cm * 20.00cm * 10.00cm
- Package Gross Weight
- 2.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Long Cylindrical Type Rack Needle Roller Bearing K 15X21X12 Size 15*21*12mm
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Product Description

Advantages of needle bearings and cages:
|
Bearing Designation |
Weight |
Boundary Dimensions
|
||
|
Current |
Fw
|
Ew
|
Bc
|
|
|
g
|
mm
|
|||
|
K 15x19x17
|
8.8
|
15
|
19
|
17
|
|
KK 15x19x24
|
10.5
|
15
|
19
|
24
|
|
K15x20x13
|
8.9
|
15
|
20
|
13
|
|
K 15x21x12
|
10
|
15
|
21
|
12
|
|
K15x21x15
|
13
|
15
|
21
|
15
|
|
K15x21x21
|
18.2
|
15
|
21
|
21
|
|
K 16x20x10
|
5.7
|
16
|
20
|
10
|
|
K16x20x13
|
7.1
|
16
|
20
|
13
|
|
K16x20x17
|
9.2
|
16
|
20
|
17
|
|
K 16x21x10
|
6.7
|
16
|
21
|
10
|
|
K 16x22x12
|
10.4
|
16
|
22
|
12
|
|
K 16x22x13
|
11.9
|
16
|
22
|
13
|
|
K 16x22x16
|
13.7
|
16
|
22
|
16
|
|
K 16x22x20
|
16.7
|
16
|
22
|
20
|
|
K 16x23x14
|
20
|
16
|
23
|
14
|
|
K 16x24x20
|
24.9
|
16
|
24
|
20
|
|
K 17x21x10
|
5.6
|
17
|
21
|
10
|
|
K 17x21x13
|
7.5
|
17
|
21
|
13
|
|
K 17x21x17
|
9.5
|
17
|
21
|
17
|
|
K 17x23x14
|
11.5
|
17
|
23
|
14
|
|
K 18x22x10
|
6.1
|
18
|
22
|
10
|
|
K18x22x13
|
7.7
|
18
|
22
|
13
|
|
K 18x22x17
|
10.8
|
18
|
22
|
17
|
|
K 18x24x12
|
11.6
|
18
|
24
|
12
|
|
K18x24x13
|
12.6
|
18
|
24
|
13
|
|
K 18x24x13.5
|
13
|
18
|
24
|
13.5
|
|
K 18x24x20
|
19
|
18
|
24
|
20
|
|
K18x25x14
|
14.9
|
18
|
25
|
14
|
|
K18x25x22
|
24.3
|
18
|
25
|
22
|
|
K18x26x14
|
19
|
18
|
26
|
14
|
|
K 18x28x16
|
24
|
18
|
28
|
16
|
|
K 19x23x13
|
8.2
|
19
|
23
|
13
|
|
K 19x23x17
|
11.1
|
19
|
23
|
17
|
|
K20x24x10
|
6.5
|
20
|
24
|
10
|
|
K20x24x12
|
8
|
20
|
24
|
12
|
|
K20x24x13
|
8.9
|
20
|
24
|
13
|
|
K20x24x17
|
11.2
|
20
|
24
|
17
|
|
K20x26x12
|
13.2
|
20
|
26
|
12
|
|
K20x26x13
|
14.3
|
20
|
26
|
13
|
|
K20x26x14
|
15
|
20
|
26
|
14
|







About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2241813". Items marked "" are certified.
Company Profile
Suzhou Weipeng Precision Machinery Co., Ltd. is located in Suzhou, which is a foreign trade oriented economic developed city, adjacent to international port city Shanghai. Established in 2009, we're a manufacturing company specialized in the production of piston rod and linear shaft in various specifications, which is widely used in automation and cylinder. We also produce stainless steel grinding bar in the material SUS304 and SUS303.
We have rich experience in manufacturing process such as hardening, grinding, surface coating and polishing, include the lathing and milling of chrome plated bar. Each component produced in this production division meets the highest standards for exact manufacturing tolerance and surface quality.
Quality is the life of enterprise. We are committed to improving the quality of our products and services. Advanced equipment, skilled technical workers, scientific testing instrument and strict quality control, all of these factors is the key to our development and growth in the intense market competition.
Contact us now to realize the benefits of sourcing from our company. We insist to return new and old customers with best quality, fastest delivery time and most perfect after service. Your satisfaction is our goal.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No.668 Fengting Road, Industrial Park, 215000, Suzhou, P.R.C
-
Plant Area
- 104 square meters
-
Number of Employees
- 5
-
Registered Capital
- 510,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
Our Production Capability & Technical Expertise
-
Main Products
- Piston Rod, Linear Shaft, Linear Motion Bearing, Ball screw, Trapezoidal Lead Screw, Linear Guide, Cross Roller Guide.
-
Production Machines
- Straightening Machine, Saw Materials, Hot Treatment Machine, Grinding Machine, Polishing, CNC Lathe, Lathe
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2009-09-08
- Export Year
- 2015-03-01
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- Others
FAQ
- What material is used for the needle roller bearings?
- The bearings and cages are made of high-quality Baosteel, offering a smooth surface and corrosion resistance.
- What are the main advantages of these needle bearings?
- Key advantages include long service life, high accuracy, low noise, high speed, high load resistance, and cost-effectiveness by avoiding repeated maintenance.
- Is customization available for this product?
- Yes, OEM and ODM services are available. Custom options include bore size (8-12 mm), model number, weight, and driving torque.
- What is the typical lead time for orders?
- The average lead time is one month during the peak season and within 15 workdays during the off-season.
- What payment terms are accepted?
- Accepted payment terms include LC, T/T, D/P, and PayPal.
- What is the load direction for this bearing?
- This is a radial bearing designed to handle radial loads.
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