Subject | Symbol | Description |
Sealing & Sealing type | Z | Metal shield on one side. |
ZZ | Metal shields on both sides. | |
RS | Rubber seal on one side. | |
2RS | Rubber seals on both sides. | |
ZNR | Shield on one side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
ZNBR | Shield on one side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
Vibration Velocity | V | Normal vibration level. Is not indicated as a standard. |
V1 | Lower vibration level than normal. | |
V2 | Lower vibration level than V1. | |
V3 | Lower vibration level than V2. | |
V4 | Lower vibration level than V3. | |
Tolerances | P0(ABEC1) | Bearings in standard tolerance |
P6(ABEC3) | Tighter tolerance than standard bearings | |
P5(ABEC5) | Tolerance tighter than P6 | |
P4(ABEC7) | Tolerance tighter than P5 | |
P2(ABEC9) | Tolerance tighter than P4 | |
Radial internal clearance | C1 | Smaller clearance than C2 |
C2 | Smaller clearance than CN | |
CN(C0) | Clearance than normal | |
C3 | Clearance larger than CN | |
C4 | Clearance larger than C3 | |
C5 | Clearance larger than C4 | |
Snap Ring Groove | N | Snap ring groove in the outer ring |
NR | Snap ring groove in the outer ring, with snap ring | |
N1 | One locating slot in one outer ring side face | |
R | Flanged outer ring | |
Other technical modifications | NR | Groove with inserted snap ring in outer ring. |
N | Snap ring groove in the outer ring. | |
SS | Stainless steel. |
Cage Materials | J | Pressed steel cages |
M | Solid brass cage | |
F | Solid cage made from steel or iron | |
Y | Pressed brass cages. | |
T | Laminated phenolic cages. | |
TN | Polyamide cages | |
TH | Glass-fiber reinforced phenolic resin cages. | |
TV | Polyamide cage | |
Cage Designs | P | Window-type cage |
H | Claw-type cage | |
A | Cage guided on the bearing outer ring | |
B | Cage-guided on the bearing inner ring | |
S | Cage with lubricating slots in the guiding surfaces | |
D | Carbonitriding cage | |
W | Welded cage | |
R | Riveted Cage | |
Cage Types | N/A | Claw-type cage |
Ribbon cage | ||
Crown cage | ||
Sunflower cage | ||
Tapered cage |
Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
Designation |
Inner Diameter
(d) |
Outside Diameter
(D) |
Width
(B) |
Grease Lubrication | Oil Lubrication |
Dynamic Load
(cr) |
Static Load
(cor) |
Weight
(kg) |
6403 | 17 | 62 | 17 | 11000 | 15000 | 22.7 | 10.8 | 0.27 |
6404 | 20 | 72 | 19 | 9500 | 13000 | 31 | 15.2 | 0.4 |
6405 | 25 | 80 | 21 | 9100 | 11000 | 36.1 | 19.4 | 0.53 |
6406 | 30 | 90 | 23 | 8100 | 9700 | 43.4 | 23.9 | 0.735 |
6407 | 35 | 100 | 25 | 7200 | 8600 | 55.0 | 31.0 | 0.952 |
6408 | 40 | 110 | 27 | 6300 | 8000 | 65.5 | 37.5 | 1.221 |
6409 | 45 | 120 | 29 | 5600 | 7000 | 77.5 | 45.5 | 1.52 |
6410 | 50 | 130 | 31 | 5300 | 6300 | 922 | 55.2 | 1.855 |
6411 | 55 | 140 | 33 | 4800 | 6000 | 100 | 62.5 | 2.316 |
6412 | 60 | 150 | 35 | 4500 | 5600 | 109 | 70 | 2.811 |
6413 | 65 | 160 | 37 | 4300 | 5300 | 118 | 78.5 | 3.342 |
6414 | 70 | 180 | 42 | 3800 | 4500 | 140 | 99.5 | 4.896 |
6415 | 75 | 190 | 45 | 3600 | 4300 | 154 | 115 | 5.739 |
6416 | 80 | 200 | 48 | 3400 | 4000 | 163 | 125 | 6.752 |
6417 | 85 | 210 | 52 | 3200 | 3800 | 175 | 138 | 7.933 |
6418 | 90 | 225 | 54 | 2800 | 3600 | 192 | 158 | 9.56 |
6420 | 100 | 250 | 58 | 2400 | 3200 | 223 | 195 | 12.9 |
6422 | 110 | 280 | 65 | 2000 | 2800 | 225 | 238 | 18.3 |
If the model your Preferred is | Sufficient stock | Lead Time |
Regular models | YES | Within 7 days |
Regular models | NO | Within 30 days |
Non-regular model | NO | About 50 days |