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DIN981 Locknuts For Use with Rolling Bearings Supplier In China

Ningbo Teng Qi Fasteners Co., Ltd. is a reliable supplier of DIN981 Locknuts For Use with Rolling Bearings, providing high-quality locking solutions designed for applications requiring secure bearing positioning and accurate axial adjustment. Manufactured according to DIN981 standards, our locknuts feature precise thread dimensions, excellent mechanical strength, and stable locking performance to prevent loosening caused by vibration or continuous operation. With advanced production processes, strict quality control, and professional inspection procedures, we ensure every locknut delivers consistent performance and dependable service in demanding industrial environments.

Unlike standard locking nuts, DIN981 locknuts are engineered specifically for rolling bearing assemblies where precision, durability, and repeatability are critical. We support various sizes, materials, and surface treatments to meet different application requirements, including heavy machinery, gear systems, electric motors, industrial equipment, and automation systems. With extensive experience in customized fastener manufacturing, we provide not only reliable products but also technical support, flexible production solutions, and stable supply capabilities to help customers improve equipment reliability and reduce maintenance costs.

Stainless Steel DIN981 Locknuts For Use with Rolling Bearings
Plain DIN981 Locknuts For Use with Rolling Bearings

Specification:

DIN981 Locknuts For Use with Rolling Bearings are manufactured according to DIN standards and are specially designed for securing rolling bearings on shafts and ensuring accurate axial positioning. These locknuts are typically produced from high-quality carbon steel, alloy steel, or stainless steel materials, offering excellent mechanical strength, wear resistance, and long-term stability. The precision-machined thread and accurately positioned locking features allow the locknuts to maintain reliable fastening performance under vibration, heavy loads, and continuous operating conditions.

Product nameDIN981 Locknuts For Use with Rolling Bearings
Thread Diameter:M10-M200
Material:SS304 SS316 C45 Q235 20#
Surface TreatmentBlack Oxidation/Plain/Bright Pickling
Packaging:Boxes/cartons into wooden pallets

Dimension Chart of DIN981 Locknuts For Use with Rolling Bearings:

The dimension chart of DIN981 Locknuts For Use with Rolling Bearings provides detailed information on key parameters, including thread size, outer diameter, width, locking hole dimensions, and other critical specifications. These dimensional requirements ensure proper compatibility with rolling bearings, adapter sleeves, shafts, and related mechanical components. By following DIN981 standard dimensions, manufacturers and users can achieve accurate installation, reliable locking performance, and stable operation in various bearing assemblies.

MonM10M12M15M17M20M25M30M35M40M45M50M55M60M65M70M75M80M85M90
P0.7511111.51.51.51.51.51.522222222
dk max18222528323845525865707580859298105110120
dk min17.7321.6724.6727.6731.6137.6144.6151.5457.5464.5469.5474.5479.5484.4691.4697.46104.46109.46119.46
k max44556778910111111121213151616
k min3.823.824.824.825.826.786.787.788.789.7810.7310.7310.7311.7311.7312.7314.7315.7315.73
n max3.1253.1254.154.154.155.155.155.156.156.156.157.187.187.188.188.188.188.1810.18
n min2.8752.8753.853.853.854.854.854.855.855.855.856.826.826.827.827.827.827.829.82
t max333333333.53.53.54444.74.74.74.75.2
t min222222222.52.52.53333.53.53.53.54
MonM95M100M105M110M115M120M125M130M135M140M145M150M155M160M165M170M180M190M200
P2222222222223333333
dk max125130140145150145160155175165190180200190210200210220240
dk min124.37129.37139.37144.37149.37144.37159.37154.37174.37164.37189.28179.37199.28189.28209.28199.28209.28219.28239.28
k max17181819192021212222242425252626272829
k min16.7317.7317.7318.6718.6719.6720.6720.6721.6721.6723.6723.6724.6724.6725.6725.6726.6727.6728.67
n max10.1810.1812.21512.21512.21512.21512.21512.21514.21512.21514.21514.21516.21514.21516.21516.21516.21516.21518.215
n min9.829.8211.78511.78511.78511.78511.78511.78513.78511.78513.78513.78515.78513.78515.78515.78515.78515.78517.785
t max5.25.26.26.26.26.26.26.27.26.27.26.28.56.28.56.26.26.29.5
t min4455555565657575558

Application of DIN981 Locknuts For Use with Rolling Bearings:

Stainless Steel DIN 7983 Cross Recessed Raised Countersunk Head Tapping Screws are widely used in applications where reliable fastening, corrosion resistance, and a clean appearance are required. Made from stainless steel A2 (304) or A4 (316), these screws provide excellent resistance to rust and corrosion, making them suitable for both indoor and outdoor environments.

ApplicationDetails
Automotive IndustryUsed for fixing interior components, panels, brackets, and lightweight metal parts due to their strong and secure fastening performance.
Electrical & Electronics EquipmentIdeal for assembling control cabinets, electrical enclosures, appliances, and electronic devices where corrosion resistance and precise fastening are important.
Sheet Metal FabricationCommonly used for fastening thin metal sheets without the need for pre-threaded holes, providing efficient and stable assembly.
Machinery & Industrial EquipmentApplied in mechanical assemblies, equipment housings, and components requiring durable and vibration-resistant connections.
Furniture & HardwareUsed in metal furniture, fittings, and hardware products where a neat countersunk appearance is preferred.
Construction & Building ApplicationsSuitable for various metal-to-metal and metal-to-plastic fastening tasks in environments requiring stainless steel performance.