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Dental Bearing Specification

Category: Dental Handpiece Bearings / Tag: , , , , , 

Inch Series – Dental Handpiece Bearings / Radial Play

Single row series:
Bearing Model Dimension Ball Complement Basic Load ratings Limited Speed
Basic P/N Type Metric (mm) / Inch No. Dia. (mm) Cr(KN) Cor(KN) Oil Open, Z
d D B Ds Df Bs Bf Be
R144 open 3.175mm / 0.125″ 6.35 /0.25 2.38/0.094 - - - - - 7 1.00 0.0085 0.0045 400,000
R144.Z single shield 3.175mm / 0.125″ 6.35 /0.25 2.38/0.094 - - - - - 7 1.00 0.0085 0.0045 400,000
R144.Z.Q single shield, step on OD 3.175mm / 0.125″ 6.35 /0.25 2.38/0.094 5.97/0.235 - 1.04/0.041 - - 7 1.00 0.0085 0.0045 400,000
R144.Z.WQ single shield, wider, step on OD 3.175mm / 0.125″ 6.35 /0.25 2.78/0.109 5.97/0.235 - 1.04/0.041 - - 7 1.00 0.0085 0.0045 400,000
R144.Z.W single shield, wider 3.175mm / 0.125″ 6.35 /0.25 2.78/0.109 - - - - - 7 1.00 0.0085 0.0045 400,000
R144.Z.WX3 single shield, wider, width and OD are non-standard 3.175mm / 0.125″ 7.938/0.313 3.57/0.141 - - - - - 7 1.00 0.0092 0.0049 400,000
R144.ZZ.WX3 double shields, wider, width and OD are non-standard 3.175mm / 0.125″ 7.938/0.313 3.57/0.141 - - - - - 7 1.00 0.0092 0.0049 400,000
F.R144.Z.W flanged, single shield, wider 3.175mm / 0.125″ 6.35 /0.25 2.78/0.109 - 7.52/0.296 - 0.787/0.031 - 7 1.00 0.0085 0.0045 400,000
R144.Z.EEYQ single shield, extended inner ring, narrow width 3.175mm / 0.125″ 6.35 /0.25 2.48/0.098 5.97/0.235 - 1.04/0.041 - 2.78/0.109 7 1.00 0.0085 0.0045 400,000
R144.Z.EEWQ single shield, extended inner ring, wider 3.175mm / 0.125″ 6.35 /0.25 3.20/0.126 5.97/0.235 - 1.04/0.041 - 4.2/0.165 7 1.00 0.0085 0.0045 400,000
Notes:
1. The full bearing model is consist of “Materials”, “Basic P/N”, “Cage” and “Precision”, e.g. HCSR144CZTPP4 is the full model no.
2. This data table is for reference only, for actual figures please contact us;

Inch Series – Dental Handpiece Bearings / Angular Contact

Single row angular contact series
Bearing Model Type Dimension Ball Complement Basic Load ratings Limited Speed
Metric (mm) / Inch
Basic P/N Type d D B Ds Df Bs Bf Be No. Dia. (mm) Cr(KN) Cor(KN) Oil Open, Z
R144.C open 3.175mm / 0.125″ 6.35 /0.25 2.38/0.094 - - - - - 7 1.00 0.0085 0.0045 450,000
R144.C.Z single shield 3.175mm / 0.125″ 6.35 /0.25 2.38/0.094 - - - - - 7 1.00 0.0085 0.0045 450,000
R144.C.Z.Q single shield, step on OD 3.175mm / 0.125″ 6.35 /0.25 2.38/0.094 5.97/0.235 - 1.04/0.041 - - 7 1.00 0.0085 0.0045 450,000
R144.C.Z.WQ single shield, wider, step on OD 3.175mm / 0.125″ 6.35 /0.25 2.78/0.109 5.97/0.235 - 1.04/0.041 - - 7 1.00 0.0085 0.0045 450,000
R144.C.Z.W single shield, wider 3.175mm / 0.125″ 6.35 /0.25 2.78/0.109 - - - - - 7 1.00 0.0085 0.0045 450,000
R144.C.Z.WX3 single shield, wider, width and OD are non-standard 3.175mm / 0.125″ 7.938/0.313 3.57/0.141 - - - - - 7 1.00 0.0092 0.0049 450,000
R144.C.ZZ.WX3 double shields, wider, width and OD are non-standard 3.175mm / 0.125″ 7.938/0.313 3.57/0.141 - - - - - 7 1.00 0.0092 0.0049 450,000
F.R144.C.Z.W langed, single shield, wider 3.175mm / 0.125″ 6.35 /0.25 2.78/0.109 - 7.52/0.296 - 0.787/0.031 - 7 1.00 0.0085 0.0045 450,000
Notes:
1. The full bearing model is consist of “Materials”, “Basic P/N”, “Cage” and “Precision”, e.g. HCSR144CZTPP4 is the full model no.
2. This data table is for reference only, for actual figures please contact us;

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