RKS.324012324001 Slewing Bearings
It is a direct replacement for the SKF RKS.324012324001 dimensional standard (Lily Bearing cross-reference LRKS.324012324001). Customized 12-digit references have no INA/Kaydon catalogue counterpart, so same-family comparison (RKS.322300101001) plus our engineering confirmation within 24 hours is used for interchangeability checks. The 90-degree crossed roller raceway simultaneously carries axial force, overturning moment and large radial loads with high rigidity, low runout and P5 or higher running precision.
- Product Description
RKS.324012324001 Crossed Cylindrical Roller Slewing Bearing with External Gear – High-Precision Industrial Rotation Solution
Luoyang Heng Guan Bearing Technology Co., Ltd. is a modern enterprise specializing in the research, development, manufacturing, and sales of high-precision bearings. Located in Luoyang, China's bearing industry hub, we produce RKS.324012324001 Slewing Bearings covering diameters from 50-10000mm with precision grades P0, P6, P5 and P4. This customized crossed cylindrical roller slewing bearing features a 1289.5×980×114mm footprint, 330 kg weight, 1090 kN dynamic and 4100 kN static axial load capacity, and P5-grade precision—ideal for industrial robot joints, CNC rotary tables, and CT scanners. Our team of over 50 R&D specialists leverages 30+ years of industry experience and ISO9001 certification to deliver reliable, RoHS-compliant bearing solutions to over 50 countries.
Technical Specifications
The RKS 324012324001 is engineered for combined load applications where axial force, radial loads and tilting moments converge. Its 90-degree crossed roller raceway delivers unmatched rigidity and minimal rotational runout.
Parameter | Metric | Imperial |
Mean raceway diameter (dm) | 1117 mm | 43.976 in |
Outside diameter (D) | 1289.5 mm | 50.768 in |
Inside diameter (d) | 980 mm | 38.583 in |
Total height (H / H1) | 114 / 60 mm | 4.49 / 2.36 in |
Section height (C / C1) | 90 / 75 mm | 3.54 / 2.95 in |
Ring width (B / B1) | 96 / 10 mm | 3.78 / 0.39 in |
Weight | 330 kg | 727.5 lb |
Centring diameter outer (D1/D2) | 1240 / 1119 mm | 48.82 / 44.06 in |
Centring diameter inner (d1/d2) | 1115 / 985 mm | 43.90 / 38.78 in |
Outer ring bolts | Ø1198 mm / M22 / 40 pcs (through) | — |
Inner ring bolts | Ø1035 mm / M22 / 40 pcs (through) | — |
Gear pitch circle (d0) | 1250 mm | 49.21 in |
Module (m) / Teeth (z) | 10 / 125 (20° pressure angle) | — |
Profile shift (x·m / k·m) | 10.5 / 0.75 mm | — |
Permissible tooth forces | 91 / 167 kN | — |
Dynamic load rating (C) | 1090 kN | — |
Static load rating (C0) | 4100 kN | — |
Rolling elements | GCr15 cylindrical rollers, 90° crossed | — |
Ring material | 50Mn / 42CrMo | — |
Seals | NBR double-lip (-40 to +110 °C) | — |
Precision grade | P5 or higher | — |
Interchange | SKF RKS.324012324001, LILY LRKS.324012324001, RKS.322300101001 | — |
Why Choose Our RKS.324012324001 Slewing Ring Bearing?
Precision-Grade Rotational Accuracy
Your equipment demands tight tolerances. Our crossed roller turntable bearing P5 precision guarantees low deformation and repeatable positioning accuracy, critical for robotic joint articulation and CNC indexing operations.
Three-Source Verified Load Capacity
You'll benefit from independently verified performance data: 1090 kN dynamic / 4100 kN static axial load ratings confirmed across SKF catalogue references, BSPD and third-party testing. This transparency gives your engineering team confidence during design validation.
Customized & Interchange-Ready
Need a direct replacement? The RKS.324012324001 external gear model is a dimensional match for SKF's original design and cross-references with LRKS.324012324001 (Lily Bearing equivalent). Same-family comparison with RKS.322300101001 ensures you have fallback options for supply-chain resilience.
Advanced Material & Sealing System
GCr15 bearing-grade steel cylindrical rollers undergo precision grinding and 90-degree crossed arrangement for optimal load distribution. The 42CrMo / 50Mn ring material provides the balance of core toughness and surface hardness needed for long-term fatigue resistance.
NBR double-lip seals operate reliably from -40°C to +110°C, keeping lubricant in and contaminants out—essential for harsh factory floors and outdoor installations.
External Gear Direct-Drive Integration
The 1250 mm pitch circle, module 10, 125-tooth external gear (20° pressure angle) allows you to integrate servo pinion drive systems directly, eliminating couplings and reducing mechanical clearance. Profile shifts (x·m 10.5 / k·m 0.75 mm) are factory-optimized for smooth meshing and extended gear life.
Factory-Direct Pricing & Stock Availability
We maintain 10 pieces in stock for immediate dispatch. MOQ is just 1 piece, and standard lead time is 2–3 days. Non-stock custom variants ship within 25–30 days. You'll work directly with our factory—no middlemen—and receive competitive quotations within 24 hours.

Where You'll Use the 324012324001 Slewing Bearing?
Industrial Robot Joints & Rotary Tables
The single row crossed roller slewing bearing external gear fits the limited joint area and gives your path planning software the precision it needs for your six-axis articulated robot or SCARA design that needs tight, high-stiffness rotation.
CNC Machine Turrets and Rotary Tables
The runout of your rotating table affects how accurately you can machine. The RKS.324012324001 Slewing Bearings unique crossed cylindrical roller design keeps the workpiece indexed within microns and the tool turret position rock solid during heavy milling operations by reducing axial play under cutting loads.
CT scanners and robots used in surgery
OEMs of medical devices choose this bearing for gantry movement and surgery robot wrist joints that must move smoothly and quietly. The sealed crossed roller design and P5 accuracy make sure that patients are safe and images are clear in hospital settings.
Radar turntables and high-precision measuring tools
Your radar antenna or coordinate measuring machine needs to be able to rotate continuously with little to no wobble. Its 90-degree crossed roller slewing bearing structure gives it the radial and axial stiffness it needs for accurate signals and repeatable measurements.
Test equipment for space
Spacecraft test rigs and satellite positioning fixtures need to be very rigid while taking up very little space. For precision rotation test benches that work with dynamic loads, the 330 kg ring has the right amount of tension for its weight.
Heavy excavator like cranes and excavators
The cross roller slewing ring bearing with outer gears is made for precise applications, but it can also be used in crane slew rings and excavator turntables where space is limited but the combined loads are heavy. This makes it a useful cross-over device.
Solar Trackers and Yaw Systems for Wind Turbines
The low-friction, high-stiffness rotation helps photovoltaic dual-axis trackers and wind turbine nacelle yaw drives last longer between service intervals. The bearing can handle outdoor job cycles as long as the surface is properly protected and oiled on a regular basis.
Rotary workbench in machine tools
Rotary indexers and welding positioners on an assembly line use the outside gear for direct servo-pinion drive. This gets rid of the flaws of worm gears and speeds up cycle times in high-throughput production cells.
Packaging & Delivery
Each RKS.324012324001 slewing bearing is individually wrapped in anti-rust film, cushioned with custom foam inserts, and packed in a reinforced plywood crate meeting ISPM-15 export standards. Crates are labeled with handling instructions, bearing identification codes and load-bearing markings.
Standard delivery is FOB Luoyang or FOB Qingdao/Tianjin port. We arrange inland transport, customs documentation and shipping coordination for international buyers. Tracking information is provided at dispatch.

Certification

FAQ
Q: What is RKS.324012324001?
A: RKS.324012324001 is a customized crossed cylindrical roller slewing bearing with external gear from the SKF RKS series. It features a 1117 mm mean raceway diameter, 980 mm bore, 1289.5 mm outside diameter, 114 mm height, and weighs 330 kg—engineered for combined axial, radial and moment loads in precision excavator.
Q: What are the exact dimensions and weight of the 324012324001?
A: Bore 980 mm (38.58 in), outside diameter 1289.5 mm (50.77 in), total height 114 mm (4.49 in), weight 330 kg (727 lb). The external gear has a 1250 mm pitch circle, module 10, 125 teeth, and profile shift x·m 10.5 mm / k·m 0.75 mm for optimized meshing.
Q: What load capacity can I expect from this bearing?
A: Dynamic axial load rating C = 1090 kN, static axial load rating C0 = 4100 kN (three-source verified, including SKF catalogue). The crossed roller design simultaneously handles axial, radial and tilting moment loads. Permissible gear tooth forces: 91 kN normal / 167 kN maximum.
Q: Is P5 precision standard, or can I order other grades?
A: P5 precision is standard for this crossed roller turntable bearing, providing low rotational runout and precise positioning. Custom P4 (ultra-precision) or P6 grades are available on request—contact our engineering team to discuss your tolerance requirements.
Q: Do you have stock, and what's the lead time?
A: Yes, we maintain 10 pieces in stock with 2–3 day dispatch. Non-stock standard models ship in 25–30 days. MOQ is 1 piece. Email mia@hgb-bearing.com for current availability, CAD drawings, datasheets and factory-direct pricing.
Q: What are the interchange and cross-reference equivalents?
A: Direct interchange: SKF RKS.324012324001, LILY LRKS.324012324001. Same-family dimensional variant: RKS.322300101001. For structure comparison (four-point contact ball vs. crossed roller), reference RKS.204040101001. Our engineers confirm interchangeability within 24 hours.
Q: Can you provide CAD drawings, 3D models and technical datasheets?
A: Yes. Upon request we supply 2D CAD drawings, PDF datasheets, and step/IGES files for design validation. (Note: We do not provide 3D models for non-standard custom parts, but offer detailed 2D dimensioned drawings for integration.)
Q: What industries use the RKS.324012324001 most?
A: Industrial robotics (joint rotation), CNC machine tools (rotary tables/turrets), medical equipment (CT gantry/surgical robots), radar systems, aerospace test fixtures, and renewable energy (solar trackers/wind yaw drives).
Contact Us
Ready to integrate the RKS.324012324001 Slewing Bearings 1289.5x980x114mm crossed roller bearing into your next project? Our engineers are standing by to provide technical consultation, custom drawings, and fast quotations. Email mia@hgb-bearing.com today for pricing, availability and personalized support.
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