RealiSlim tt Turntable Bearings, with their unique inner and outer ring raceway designs, can handle radial, axial, and moment loads all at once. They can replace two bearings in many applications. They combine features of thin section bearings and turntable bearings.
Kaydon RealiSlim TT Turntable Bearings are ultra-thin, high-performance bearings designed for precision and reliability in space-constrained applications. These bearings feature a slim profile while maintaining high load capacity, capable of handling both radial and axial loads. The unique design ensures smooth, precise rotation with minimal friction, making them ideal for turntables, robotics, medical equipment, and automated machinery.
Despite their thin design, RealiSlim TT bearings provide excellent durability and long service life, built from high-quality materials that withstand continuous use in harsh conditions. They are customizable, offering options such as various sizes, gear configurations, coatings, and lubrication methods, ensuring suitability for specific operational needs.
| Part Number | Gear | Bearing Type | Do | di | H | Di | do | C0a | Moment Load Rating |
|---|---|---|---|---|---|---|---|---|---|
| T01-00225NAA | Internal Gear | Standard | 3" | 1.422" | 0.25" | 2.148" | 2.356" | 770 lbs | 440 ft-lbs |
| T01-00225PAA | Without Gear | Standard | 3" | 1.5" | 0.25" | 2.148" | 2.356" | 770 lbs | 440 ft-lbs |
| T01-00225EAA | External Gear | Standard | 3.078" | 1.5" | 0.25" | 2.148" | 2.356" | 770 lbs | 440 ft-lbs |
| T01-00275NAA | Internal Gear | Standard | 3.5" | 1.922" | 0.25" | 2.648" | 2.856" | 1150 lbs | 600 ft-lbs |
| T01-00275PAA | Without Gear | Standard | 3.5" | 2" | 0.25" | 2.648" | 2.856" | 1150 lbs | 600 ft-lbs |
| T01-00275EAA | External Gear | Standard | 3.578" | 2" | 0.25" | 2.648" | 2.856" | 1150 lbs | 600 ft-lbs |
| T01-00325NAA | Internal Gear | Standard | 4" | 2.422" | 0.25" | 3.148" | 3.356" | 1600 lbs | 780 ft-lbs |
| T01-00325PAA | Without Gear | Standard | 4" | 2.5" | 0.25" | 3.148" | 3.356" | 1600 lbs | 780 ft-lbs |
| T01-00325EAA | External Gear | Standard | 4.078" | 2.5" | 0.25" | 3.148" | 3.356" | 1600 lbs | 780 ft-lbs |
| T01-00375NAA | Internal Gear | Standard | 4.5" | 2.922" | 0.25" | 3.648" | 3.856" | 2130 lbs | 980 ft-lbs |
| T01-00375PAA | Without Gear | Standard | 4.5" | 3" | 0.25" | 3.648" | 3.856" | 2130 lbs | 980 ft-lbs |
| T01-00375EAA | External Gear | Standard | 4.578" | 3" | 0.25" | 3.648" | 3.856" | 2130 lbs | 980 ft-lbs |
| T01-00425NAA | Internal Gear | Standard | 5" | 3.422" | 0.25" | 4.148" | 4.356" | 2740 lbs | 1.200 ft-lbs |
| T01-00425PAA | Without Gear | Standard | 5" | 3.5" | 0.25" | 4.148" | 4.356" | 2740 lbs | 1.200 ft-lbs |
| T01-00425EAA | External Gear | Standard | 5.078" | 3.5" | 0.25" | 4.148" | 4.356" | 2740 lbs | 1.200 ft-lbs |
| T01-00450NAA | Internal Gear | Standard | 5.25" | 3.672" | 0.25" | 4.398" | 4.606" | 3070 lbs | 1.320 ft-lbs |
| T01-00450PAA | Without Gear | Standard | 5.25" | 3.75" | 0.25" | 4.398" | 4.606" | 3070 lbs | 1.320 ft-lbs |
| T01-00450EAA | External Gear | Standard | 5.328" | 3.75" | 0.25" | 4.398" | 4.606" | 3070 lbs | 1.320 ft-lbs |
| T01-00475NAA | Internal Gear | Standard | 5.5" | 3.922" | 0.25" | 4.648" | 4.856" | 3420 lbs | 1.440 ft-lbs |
| T01-00475PAA | Without Gear | Standard | 5.5" | 4" | 0.25" | 4.648" | 4.856" | 3420 lbs | 1.440 ft-lbs |
| T01-00475EAA | External Gear | Standard | 5.578" | 4" | 0.25" | 4.648" | 4.856" | 3420 lbs | 1.440 ft-lbs |
| T01-00500NAA | Internal Gear | Standard | 5.75" | 4.172" | 0.25" | 4.898" | 5.106" | 3790 lbs | 1.560 ft-lbs |
| T01-00500PAA | Without Gear | Standard | 5.75" | 4.25" | 0.25" | 4.898" | 5.106" | 3790 lbs | 1.560 ft-lbs |
| T01-00500EAA | External Gear | Standard | 5.828" | 4.25" | 0.25" | 4.898" | 5.106" | 3790 lbs | 1.560 ft-lbs |
| T01-00525NAA | Internal Gear | Standard | 6" | 4.422" | 0.25" | 5.148" | 5.356" | 4180 lbs | 1.690 ft-lbs |
| T01-00525PAA | Without Gear | Standard | 6" | 4.5" | 0.25" | 5.148" | 5.356" | 4180 lbs | 1.690 ft-lbs |
| T01-00525EAA | External Gear | Standard | 6.078" | 4.5" | 0.25" | 5.148" | 5.356" | 4180 lbs | 1.690 ft-lbs |
| T01-00575NAA | Internal Gear | Standard | 6.5" | 4.922" | 0.25" | 5.648" | 5.856" | 5020 lbs | 1.950 ft-lbs |
| T01-00575PAA | Without Gear | Standard | 6.5" | 5" | 0.25" | 5.648" | 5.856" | 5020 lbs | 1.950 ft-lbs |
| T01-00575EAA | External Gear | Standard | 6.578" | 5" | 0.25" | 5.648" | 5.856" | 5020 lbs | 1.950 ft-lbs |
| T01-00625NAA | Internal Gear | Standard | 7" | 5.422" | 0.25" | 6.148" | 6.356" | 5930 lbs | 2.230 ft-lbs |
| T01-00625PAA | Without Gear | Standard | 7" | 5.5" | 0.25" | 6.148" | 6.356" | 5930 lbs | 2.230 ft-lbs |
| T01-00625EAA | External Gear | Standard | 7.078" | 5.5" | 0.25" | 6.148" | 6.356" | 5930 lbs | 2.230 ft-lbs |
| T01-00675NAA | Internal Gear | Standard | 7.5" | 5.922" | 0.25" | 6.648" | 6.856" | 6910 lbs | 2.530 ft-lbs |
| T01-00675PAA | Without Gear | Standard | 7.5" | 6" | 0.25" | 6.648" | 6.856" | 6910 lbs | 2.530 ft-lbs |
| T01-00675EAA | External Gear | Standard | 7.578" | 6" | 0.25" | 6.648" | 6.856" | 6910 lbs | 2.530 ft-lbs |
Expert Insights and Reliable Solutions to Your Most Common Questions.
ZZ Slewing Bearing supplies a full range of slewing bearings to meet different industrial needs:
Typical selection parameter for ZZ clients:
Load type: axial, radial, and tilting moment.
Rotation RPM: ensures long service life.
Installation space & mounting dimensions: inner/outer ring diameter, bolt circle.
Precision & rigidity requirements: critical for cranes, excavators, and robots.
ZZ engineers provide professional selection guidance according to your equipment and drawings.
ZZ Slewing Bearing selects materials for strength, wear resistance, and long-term durability:
Slewing ring: 42CrMo, 50Mn, C45N, 40CrNiMo, C48E.
Special forging spare parts: carburized/hardened steels for gear teeth (20CrMnTi, 18CrNiMo7‑6).
Corrosion resistant: SS 304, 316L, duplex stainless steel.
Surface treatments: heat treatment, quenching, carburizing, induction hardening, and surface coating(Four-Layer Packing, Strong Anti-Rust Oil, Black Oxide Treatment, Jet Black Paint Finish, Hot-Dip Galvanizing (CGL), Electro-Galvanizing (EGL), Hot-Dip Galvanizing + Paint Finish)
Correct installation with flat surfaces.
Proper lubrication using grease.
Avoid overloading or shock loads over capacity.
Monitor operating conditions regularly to prevent debris entry.
Typical factors observed by ZZ engineers:
In-stock: 3–7 days.
Custom: 2–6 weeks depending on size, load, and precision.
Warranty: 1 year
Lifetime Free Spare Parts: Glue, seals, steel ball
Yes — ZZ Slewing Bearing offers:
Detailed installation manuals.
Online engineering support.
Guidance for lubrication, maintenance, and troubleshooting solution.
Full range of materials and heat treatments for various load conditions.
High precision and strict quality inspection standards.
Engineering support before and after delivery.
Customization to exact equipment requirements.
Proven performance in cranes, excavators, robotics, wind turbines, and heavy machinery etc.
ZZ Slewing Bearing (Shanghai) Co., Ltd
Leading Slew Drive & Slewing Bearing Manufacturer in China.
ZZ products are applied globally in solar tracking systems, wind power systems, satellite communications, and numerous other globally connected industries.

