SL045016PP2NR Double Row Full Complement Cylindrical Roller Bearing 80x120x54mm Sealed Locating Bearing

1. Product Overview

SL045016PP2NR double row full complement locating bearing, interchangeable with NNF5016ADA-2LSV, dimension 80×120×54mm.

Code Definition

• SL045016: Light medium full complement roller base model
• PP: Double-sided contact rubber seal against dust, mud and water splash
• 2NR: Dual outer ring snap ring grooves for axial housing locking

Triple inner ribs + single outer central rib form integrated locating structure. Cage-free full roller layout maximizes radial load capacity, supports heavy radial load plus moderate bidirectional axial thrust. Pre-filled heavy-duty lithium grease; side relubrication port enables maintenance without disassembly. Designed for low-speed heavy-load rotary units including small crane pulleys, light port lifting rollers and mining miniature conveyors.

2. Technical Specifications

Drawings and heavy-load durability test reports available on request.

3. Core Advantages

1. Cage-free full roller design delivers high radial load capacity
2. Integrated rib structure prevents axial shifting under heavy thrust
3. Double PP lip seal blocks outdoor dust, rainwater and metal debris
4. Dual snap ring grooves simplify axial fixation without extra housing shoulders
5. Side grease port supports convenient on-site relubrication
6. Compact cross-section reduces hub installation space
7. Standard interchangeable dimensions for direct one-to-one replacement
8. Customizable clearance, high-temp grease, laser marking and neutral export packaging

4. Application Scenarios

• Small mobile & tower crane wire rope pulley bearings
• Port mini gantry crane, light reach stacker lifting roller assemblies
• Mining light-duty small belt conveyor tension rollers
• Metallurgical tiny steel coil transport auxiliary rollers
• Marine deck miniature lifting winch rotary positioning components
• Low-speed heavy-load small industrial hoist support bearings

Suitable for OEM production and aftermarket maintenance of light lifting, port and mining machinery.

5. Why Choose GQZ Bearing

25 years specialized production of SL04 series sealed full complement roller bearings including SL045016PP2NR small crane pulley models.

Global unified dimensional standards, fully interchangeable with imported equivalent bearings.

Complete OEM & ODM custom service for clearance adjustment, high-temperature grease, anti-corrosion treatment and outer ring marking.

Strict full-process inspection: raw material hardness test, roller sorting, heavy impact rotation aging and sealing tightness batch inspection.

Professional engineers provide load calculation, interference fit design and outdoor long-life lubrication guidance within 24 working hours.

Factory direct bulk pricing, stable continuous mass supply for global light machinery spare part buyers.

6. Quality Control

• Raw material composition and hardness inspection for GCr15 rings and rollers.
• CNC forging, multi-cycle stress relief tempering and ultra-precision raceway superfinishing.
• Roller high-temp quenching, mirror polishing and automatic dimensional grouping sorting.
• Precise dual snap ring groove turning, quantitative heavy-duty grease filling and PP seal press-fitting.
• Performance verification: crane pulley impact cycle aging, dust-water mixed environment durability, axial anti-sliding stability test.
• Final full dimension, roundness and flatness reinspection before anti-rust treatment and export carton packaging.

Each batch undergoes continuous heavy load simulation test to guarantee stable sealed heavy-load operation performance.

7. Get A Quote

Submit purchasing demand for SL045016PP2NR bearings applied to small crane pulleys, light port lifting equipment and mining miniature conveyors.

Full one-stop services after inquiry:

1. Official detailed quotation within 24 working hours
2. Technical support for load matching, shaft installation and long-term lubrication
3. Custom upgrades: C3 enlarged clearance, stainless steel passivation, high-temperature synthetic grease
4. Competitive factory bulk price for large-volume single model orders

Please state order quantity and actual working conditions (outdoor dust/water environment, continuous low-speed heavy impact operation) to receive complete standardized quotation documents.

8. FAQ