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Rollers are constructed with a shaft, shell, housing, inner seal, bearing, labyrinth seal, cover, protective cover, and snap ring. This design ensures smooth rotation and long-lasting performance in various industrial environments.
Seal Structure
The roller features a non-contact labyrinth seal system, which creates a complex, winding maze between the inner and outer parts. This maze is filled with high-quality grease, ensuring excellent waterproof and dustproof performance. As a result, our rollers operate smoothly and maintain their integrity even under harsh conditions.
Bearing
Brand Options: SKF, NSK, HRB, LYC, ZWZ, etc.
Rollers are equipped with C3 deep groove radial ball bearings featuring a bidirectional sealing structure, significantly enhancing water and dust resistance.
Shell, Shaft, and Housing
The dimensions of the shell and shaft comply with GB standards. Tolerances for radial jump, roundness, straightness, and surface finish exceed these standards. The housing is manufactured using cold-rolled plate drawing, and precise welding is applied to ensure strong and rigid construction.
Standard Sizes Available
No.
Standard Diameter
Length Range (mm)
Bearing Type Min-Max
Shell Thickness of Roller
Â
mm
Inch
Â
Â
Â
1
63.5
2 1/2
150-3500
203 204
3.0mm-4.0mm
2
76
3
150-3500
204
3.0mm-4.5mm
3
89
3 1/3
150-3500
204 205
3.0mm-4.5mm
4
102
4
150-3500
204 205 206 305
3.2mm-4.5mm
5
108
4 1/4
150-3500
204 205 206 305 306
3.5mm-4.5mm
6
114
4 1/2
150-3500
204 205 206 305 306
3.5mm-4.5mm
7
127
5
150-3500
204 205 206 305 306
3.5mm-5.0mm
8
133
5 1/4
150-3500
204 205 206 207 305 306
3.5mm-5.0mm
9
140
5 1/2
150-3500
205 206 207 305 306 307
3.5mm-5.0mm
10
152
6
150-3500
205 206 207 305 306 307 308
4.0mm-5.0mm
11
159
6 1/4
150-3500
205 206 207 305 306 307 308
4.0mm-5.0mm
12
165
6 1/2
150-3500
206 207 305 306 307 308
4.5mm-6.0mm
13
177.8
7
150-3500
207 306 307 308 309
4.5mm-6.0mm
14
190.7
7 1/2
150-3500
207 306 307 308 309 310
4.5mm-7.0mm
15
194
7 5/8
150-3500
207 306 307 308 309 310
4.5mm-8.0mm
16
219
8 5/8
150-3500
308 309 310 312
4.5mm-8.0mm
Material List of Roller
Material List
No.
Name
Material
1
Shell (Including Bearing Housing)
Q235-A (Carbon Steel)
2
Shaft
20# (Carbon Steel)
3
Bearing
Finished Product
4
Bottom Seal
Nylon 6
5
Inner Seal
Nylon 1010
6
Outer Seal
Nylon 1010
7
Sealing Cover
08F (Carbon Steel Galvanized)
8
Protective Cover
ABS Resin Craft
9
Snap Ring
Finished Product
Product Pictures
Packing Picture
Galvanized Conveyor Roller Galvanized Roller Steel Roller with Galvanization
Model NO.: 60-219
Seal: Labyrinth Seal
Feature: Water-Proof and Dust-Proofing
Life Time: 20,000 Hours Under Normal Working Conditions
Transport Package: Plywood Cases
Specification: 60-219
Origin: China
HS Code: 84313900
The Inner Structure of Roller