20*27*4(motor level)

20*32*7 (premium grade)

20*32*7 (precision level)

20*32*7 (motor level)

25*32*4 (premium grade)

25*32*4 (precision level)

25*32*4 (motor level)

25*37*7 (premium grade)

25*37*7 (precision level)

25*37*7 (motor level)

30*42*7 (high quality grade)

30*42*7 (precision level)

30*42*7 (motor level)

35*47*7 (high quality grade)

35*47*7 (precision level)

35*47*7 (motor level)

40*52*7 (high quality grade)

40*52*7 (precision level)

40*52*7 (motor level)

U203 standard seat *Outer diameter (mm): 127

U203 heavy duty seat *Outer diameter (mm): 127

U204 standard seat *Outer diameter (mm): 127

U204 heavy duty seat *Outer diameter (mm): 127

U204 heavy duty seat+P6 high speed *Outer diameter (mm): 127

U204 maintenance free *Outer diameter (mm): 127

U205 standard seat *Outer diameter (mm): 140

U205 heavy duty seat *Outer diameter (mm): 140

U205 heavy duty seat+P6 high speed *Outer diameter (mm): 140

U205 maintenance free *Outer diameter (mm): 140

U206 standard seat *Outer diameter (mm): 165

U206 heavy duty seat *Outer diameter (mm): 165

U206 heavy duty seat+P6 high speed *Outer diameter (mm): 165

U206 maintenance free *Outer diameter (mm): 165

U207 standard seat *Outer diameter (mm): 167

U207 heavy duty seat *Outer diameter (mm): 167

U207 heavy duty seat+P6 high speed *Outer diameter (mm): 167

U207 maintenance free *Outer diameter (mm): 165

U208 heavy duty seat *Outer diameter (mm): 184

U208 heavy duty seat+P6 high speed *Outer diameter (mm): 184

U208 maintenance free *Outer diameter (mm): 184