Bottom Roller Bearings Complete Guide for Textile Machinery
Bottom Roller Bearings are critical components used to support fluted (grooved) bottom rollers in spinning frames, speed frames, and draw frames. They help in accurate fiber drafting, stable roller rotation, and long machine uptime.
Technical Specification Overview
Specification |
Details |
Bearing Type |
Deep Groove Ball Bearing / Needle Roller Bearing |
Used In |
Ring Frames, Speed Frames, Draw Frames (Drafting Zones) |
Outer Diameter (OD) |
Typically 22 mm 30 mm |
Inner Diameter (ID) |
Usually 10 mm 15 mm |
Width |
6 mm 9 mm |
Material |
High Carbon Chrome Steel (e.g., EN-31, 52100) |
Seal Types |
ZZ (Double Metal Shield), 2RS (Double Rubber Seal) |
Cage Material |
Pressed Steel or Nylon Cage |
Load Type |
Designed for light to moderate radial loads |
RPM Capacity |
10,000 18,000 RPM |
Lubrication |
Grease-packed (sealed-for-life) or oil-lubricated options |
Operating Environment |
Continuous use in dusty, humid, and high-speed conditions |
Common Bearing Series & Sizes Used
Bearing No. |
Size (mm) |
Common Application |
2128 |
12 x 28 x 12 (approx.) |
Older or special bottom roller systems |
OEM-Specific Bottom Roller Bearing Applications
OEM |
Typical Bearing Series Used |
Notes |
LMW |
6202 / 6203 / 6204 |
Standard Indian ring frames |
Rieter |
62026204, HK1210 (compact), NA4901 |
High-speed drafting; often sealed bearings |
Zinser |
6001, 6203, Needle Bearings |
Dynamic balanced systems, long life expected |
Toyota / KKTM |
6000 series, often high-precision |
Silent, vibration-free operation |
Marzoli |
6202 / 6203 / 6204 |
Classic systems; uses Euro standard designs |
Textile Industry-Specific Requirements
Top Bearing Brands Used in Textile Mills
Brand |
Country |
Used For |
SKF |
Sweden/Global |
Premium quality for Rieter, Zinser |
FAG |
Germany |
Precision German-built |
NBC |
India |
LMW and Indian machines |
NTN |
Japan |
Used in Toyota systems |
ZKL |
Czech Republic |
Mid-range quality |
KOYO |
Japan |
Used in older and compact systems |
Vindex |
India (OEM) |
In-house, suitable for spindle booster and roller systems |
Maintenance Tips
Available with Options
Price: