R8 deep-groove ball bearing, 12.7×28.575×6.35 mm, open
EZO / Kitanihon Seiki · deep-groove-bearing
Use it
(import "parts/bearing/R8.ik" as p)In a design on ink: ask your agent for it by name, or by what it must be.
Dimensions
| bore-diameter | 12.7 |
| outer-diameter | 28.575 |
| width | 6.35 |
| chamfer-min | 0.4 |
| ball-count | 8 |
| ball-diameter | 4.762 |
Frame of reference
Origin at centre of B; bore axis +z; side faces ±B/2; flange at +z within width B.
Frames
Where it connects: each frame sits on the face it connects by, z out of the part, in the part's own coordinates.
| Of | Frame | Origin | x | z |
|---|---|---|---|---|
| bearing | face-a | (0, 0, 3.175) | (1, 0, 0) | (0, 0, 1) |
| bearing | face-b | (0, 0, -3.175) | (1, 0, 0) | (0, 0, -1) |
All 43 numbers in its record
| d | 12.7, 28.575 |
| b | 6.35 |
| c | 6.35 |
| r_min | 0.4 |
| r_outer_min | 0.4 |
| cr | 5110 |
| c0r | 2390 |
| limiting_speed_grease | 25000 |
| limiting_speed_oil | 30000 |
| mass_g | 17.2 |
| ball_count | 8 |
| ball_diameter | 4.762 |
| flange_diameter | 0 |
| flange_width | 0 |
| bore-diameter | 12.7 |
| outer-diameter | 28.575 |
| width | 6.35 |
| chamfer-min | 0.4 |
| ball-count | 8 |
| ball-diameter | 4.762 |
| ball-pitch-diameter | 20.6375 |
| shoulder-offset | 1.54765 |
| race-clearance | -0.03 |
| cage-clearance | -0.03 |
| closure-enabled | 0 |
| closure-recess | 0.18 |
| closure-thickness | 0.25 |
| closure-inner-gap | 0.035 |
| closure-outer-overlap | 0.12 |
| closure-color | 0.6, 0.63, 0.67 |
| closure-metallic | 0.92 |
| closure-roughness | 0.32 |
| flange-diameter | 0 |
| flange-thickness | 0 |
| flange-edge-break | 0 |
| bore-mean-diameter-deviation-mm | -0.008, 0 |
| outer-mean-diameter-deviation-mm | -0.009, 0 |
| width-deviation-mm | -0.12, 0 |
| dynamic-load-c-n | 5110 |
| static-load-c0-n | 2390 |
| limiting-speed-grease-rpm | 25000 |
| limiting-speed-oil-rpm | 30000 |
| mass-g | 17.2 |