Cam follower (stud-type track roller), with axial guidance, with cage, crowned OD, hex socket, KR52-A;CF20BR;CF20R-AB
D | 52 mm | Outside diameter |
d | 20 mm | Stud diameter |
B | 66 mm | Overall width |
C | 24 mm | Outer ring width |
B1 | 40.5 mm | Length shank on stud |
B2 | 9 mm | Distance lubrication hole to flange ring |
C1 | 0.8 mm | Distance face outer ring to face thrust washer |
d1 | 36.5 mm | Outside diameter flange ring |
G | M20 x 1.5 | Thread stud |
G1 | 21 mm | Thread length |
M | 8 mm | Seat diameter for lubrication accessories |
M1 | 4 mm | Diameter of lubrication hole (shank) |
SW | 10 mm | Width across flats |
r min | 1 mm | Chamfer dimension outer ring |
C | 19.5 kN | Basic dynamic load rating |
C0 | 32 kN | Basic static load rating |
Pu | 3.4 kN | Fatigue load limit |
Fr | 16.8 kN | Maximum dynamic radial load |
F0r | 28.5 kN | Maximum static radial load |
nD G | 2400 r/min | Limiting speed |
≈m | 0.47 kg | Weight |
Crowned | Outer ring profile | |
Cage | Roller guide | |
Centric | Stud type | |
Gap type | Sealing type | |
52100 | 100Cr6 | Outer ring material | |
52100 | 100Cr6 | Roller material | |
20CrMo (ASTM4118, SCM420) | Stud material | |
52100 | 100Cr6 | Axial guidance | |
Lithium Soap Grease NLGI #2 | Grease |
Hex | Mouting hole | |
NIP A2x7.5 | Grease fitting | |
M20 x 1.5 | Hexagonal nut | |
120 Nm | Recommended tightening torque |
-30ºC to + 120ºC | Temperature range °C | |
-22ºF to + 250ºF | Temperature range °F |
INA・SKF | IKO | THK | NTN | NSK | KOYO | McGill | Smith |
KR52-A | CF20BR | CF20R-AB | KR52H | FCJB-52R | KM20-1RHM | MCFR-52-B | MCR-52-B |