HM (HN) Lock Nuts | Precision Bearing Sleeves, Lock Nuts & OEM Parts Supplier | Chin Sing Taiwan
HM (HN) Bearing lock nuts are used to locate bearings onto a shaft. Additionally, they can be used to mount bearings with a tapered bore onto tapered shaft seats and adapter sleeves and to dismount bearings from withdrawal sleeves. Lock nuts are also frequently used to secure gears, belt pulleys, and other machine components. Browse Chin Sing Precision's high-quality bearing sleeves, adapter sleeves, bushings, wear plates & more. Expert Taiwanese manufacturer providing custom & standard solutions for demanding applications.
HM (HN) Lock Nuts
HM (HN) Bearing lock nuts are used to locate bearings onto a shaft. Additionally, they can be used to mount bearings with a tapered bore onto tapered shaft seats and adapter sleeves and to dismount bearings from withdrawal sleeves. Lock nuts are also frequently used to secure gears, belt pulleys, and other machine components.
Locking nuts with integral locking reduce the cost of the shaft as no keyway is required. Installation is quicker and easier because no separate locking device is necessary. Chin Sing manufactures the finest quality of bearing lock nut with durable life cycles.
Model
HM42, HM44, HM48, HM50, HM52, HM54, HM56, HM58, HM60, HM62, HM64, HM66, HM68, HM70, HM72, HM74, HM76, HM80, HM84, HM88, HM92, HM96, HM100, HM102, HM106, HM110
Drawing
HN (HM) Lock Nut Drawing
Lock Nuts - HM / HN
| Lock Nuts NO. | D1 Thread1) | D3 mm | D4 mm | Bn mm | S mm | T mm | D6 mm | Weight kg |
|---|---|---|---|---|---|---|---|---|
| HM42 | Tr210*4 | 270 | 238 | 30 | 20 | 10 | 212 | 4.75 |
| HM44 | Tr220*4 | 280 | 250 | 32 | 20 | 10 | 222 | 5.35 |
| HM46 | Tr230*4 | 290 | 260 | 34 | 20 | 10 | 232 | 5.8 |
| HM48 | Tr240*4 | 300 | 270 | 34 | 20 | 10 | 242 | 6.2 |
| HM50 | Tr250*4 | 320 | 290 | 36 | 20 | 10 | 252 | 7 |
| HM52 | Tr260*4 | 330 | 300 | 36 | 24 | 12 | 262 | 8.55 |
| HM54 | Tr270*4 | 340 | 310 | 38 | 24 | 12 | 272 | 9.2 |
| HM56 | Tr280*4 | 350 | 320 | 38 | 24 | 12 | 282 | 10 |
| HM58 | Tr290*4 | 370 | 330 | 40 | 24 | 12 | 292 | 11.8 |
| HM60 | Tr300*4 | 380 | 340 | 40 | 24 | 12 | 302 | 12 |
| HM62 | Tr310*5 | 390 | 350 | 42 | 24 | 12 | 312.5 | 13.4 |
| HM64 | Tr320*5 | 400 | 360 | 42 | 24 | 12 | 322.5 | 13.5 |
| HM66 | Tr330*5 | 420 | 380 | 52 | 28 | 15 | 332.5 | 20.4 |
| HM68 | Tr340*5 | 440 | 400 | 55 | 28 | 15 | 342.5 | 24.5 |
| HM70 | Tr350*5 | 450 | 410 | 55 | 28 | 15 | 352.5 | 25.2 |
| HM72 | Tr360*5 | 460 | 420 | 58 | 28 | 15 | 362.5 | 27.5 |
| HM74 | Tr370*5 | 470 | 430 | 58 | 28 | 15 | 372.5 | 28.2 |
| HM76 | Tr380*5 | 490 | 440 | 60 | 32 | 18 | 382.5 | 33.5 |
| HM80 | Tr400*5 | 520 | 460 | 62 | 32 | 18 | 402.5 | 40 |
| HM84 | Tr420*5 | 540 | 490 | 70 | 32 | 18 | 422.5 | 46.9 |
| HM88 | Tr440*5 | 560 | 510 | 70 | 36 | 20 | 442.5 | 48.5 |
| HM92 | Tr460*5 | 580 | 540 | 75 | 36 | 20 | 462.5 | 55 |
| HM96 | Tr480*5 | 620 | 560 | 75 | 36 | 20 | 482.5 | 67 |
| HM100 | Tr500*5 | 630 | 590 | 80 | 40 | 23 | 502.5 | 69 |
| HM102 | Tr510*6 | 650 | 590 | 80 | 40 | 23 | 513 | 75 |
| HM106 | Tr530*6 | 670 | 610 | 80 | 40 | 23 | 533 | 78 |
| HM110 | Tr550*6 | 700 | 640 | 80 | 40 | 23 | 553 | 92.5 |
Tr means 30°, trapezoid thread and the digits are major diameter of thread and pitch.
NOTE: The specifications of HM can be applied for HN.
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Spec. of HN (HM)
Spec. of HM42, HM44, HM48, HM50, HM52, HM54, HM56, HM58, HM60, HM62, HM64, HM66, HM68, HM70, HM72, HM74, HM76, HM80, HM84, HM88, HM92, HM96, HM100, HM102,...
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HM (HN) Lock Nuts | Global Supplier of Bearing Sleeves, Locking Systems & Custom Machined Parts
Chin Sing offers a full range of HM (HN) Lock Nuts, adapter sleeves, withdrawal sleeves, and hydraulic sleeves engineered for reliable bearing mounting and dismounting on cylindrical shafts. Our components are precision-machined to meet international standards like ISO 2982-1 and DIN 5415, ensuring secure fitment, extended service life, and easy maintenance in high-load applications.
These shaft sleeves are widely used in steel mills, mining conveyors, wind turbines, and other industrial machinery where downtime must be minimized. Our hydraulic options further simplify installation and removal, reducing labor time and preventing damage to bearings or shafts. Available in both metric and inch series, we cater to global OEMs and MRO buyers.
Whether you're replacing existing parts or sourcing for new builds, Chin Sing delivers high-quality solutions backed by Taiwan-based manufacturing expertise, OEM/ODM customization, and ISO-certified quality assurance. Our bearing mounting components are trusted worldwide for performance, safety, and efficiency.