Inner Ring Tolerances

Inner Ring Tolerances (a) Inner Ring and Width – up to 2.5 mm bore (Tolerances in .001 mm) Grade Mean Bore Deviation Single Bore Variation Mean Bore Variation Width Deviation Width Variation Radial Runout Face Runout /Bore Face Runout/ Raceway 7,8,9 0 2,3 P0 +0/-8 10 8 6 6 +0/-40 12 10 - - P6 +0/-7 9 7 5 5 +0/-40 12 5 - - P5 +0/-5 5 4 4 3 +0/-40 5 (1) 4 7 7 P4 +0/-4 4 3 3 2 +0/-40 2.5 (1) 2.5 3 3 (1) applies to inner ring only (b) Inner Ring and Width – over 2.5mm to 10 mm bore (Tolerances in .001 mm) Grade Mean Bore Deviation Single Bore Variation Mean Bore Variation Width Deviation Width Variation Radial Runout Face Runout /Bore Face Runout/ Raceway 7,8,9 0 2,3 P0 +0/-8 10 8 6 6 +0/-120 15 10 - - P6 +0/-7 9 7 5 5 +0/-120 15 6 - - P5 +0/-5 5 4 4 3 +0/-120 5(1) 4 7 7 P4 +0/-4 4 3 3 2 +0/-120 2.5 (1) 2.5 3 3 (1) applies to inner ring only (c) Inner Ring and Width – over 10mm to 18 mm bore (Tolerances in .001 mm) Grade Mean Bore Deviation Single Bore Variation Mean Bore Variation Width Deviation Width Variation Radial Runout Face Runout /Bore Face Runout/ Raceway 7,8,9 0 2,3 P0 +0/-8 10 8 6 6 +0/-120 20 10 - - P6 +0/-7 9 7 5 5 +0/-120 20 7 - - P5 +0/-5 5 4 4 3 +0/-80 5(1) 4 7 7 P4 +0/-4 4 3 3 2 +0/-80 2.5 (1) 2.5 3 3 (1) applies to inner ring only (d) Inner Ring and Width – over 18mm to 30 mm bore (Tolerances in .001 mm) Grade Mean Bore Deviation Single Bore Variation Mean Bore Variation Width Deviation Width Variation Radial Runout Face Runout /Bore Face Runout/ Raceway 7,8,9 0 2,3 P0 +0/-10 13 10 8 8 +0/-120 20 13 - - P6 +0/-8 10 8 6 6 +0/-120 20 8 - - P5 +0/-6 6 5 5 3 +0/-120 5(1) 4 8 8 P4 +0/-5 5 4 4 2.5 +0/-120 2.5 (1) 3 4 4 (1) applies to inner ring only (e) Inner Ring and Width – over 30mm to 50 mm bore (Tolerances in .001 mm) Grade Mean Bore Deviation Single Bore Variation Mean Bore Variation Width Deviation Width Variation Radial Runout Face Runout /Bore Face Runout/ Raceway 7,8,9 0 2,3 P0 +0/-12 15 12 9 9 +0/-120 20 15 - - P6 +0/-10 13 10 8 8 +0/-120 20 10 - - P5 +0/-8 8 6 6 4 +0/-120 5(1) 5 8 8 P4 +0/-6 6 5 5 3 +0/-120 3 (1) 4 4 4 (1) applies to inner ring only Outer Ring Tolerances (f) Outer Ring– up to 6mm O.D. (Tolerances in .001 mm) Grade Mean O.D. Deviation Single O.D. Variation Mean O.D. Variation Width Variation Radial Runout Face Runout /O.D. Face Runout/ Raceway 7,8,9 open 0 open 2,3 open 0,2,3 ZZ,2RS P0 +0/-8 10 8 6 10 6 (2) 15 - - P6 +0/-7 9 7 5 9 5 (2) 8 - - P5 +0/-5 5 4 4 - 3 5 5 8 8 P4 +0/-4 4 3 3 - 2 2.5 3 4 5 (2) same as inner ring value (g) Outer Ring– over 6mm up to 18mm O.D. (Tolerances in .001 mm) Grade Mean O.D. Deviation Single O.D. Variation Mean O.D. Variation Width Variation Radial Runout Face Runout /O.D. Face Runout/ Raceway 7,8,9 open 0 open 2,3 open 0,2,3 ZZ,2RS P0 +0/-8 10 8 6 10 6 (2) 15 - - P6 +0/-7 9 7 5 9 5 (2) 8 - - P5 +0/-5 5 4 4 - 3 5 5 8 8 P4 +0/-4 4 3 3 - 2 2.5 3 4 5 (2) same as inner ring value (h) Outer Ring– over 18mm up to 30mm O.D. (Tolerances in .001 mm) Grade Mean O.D. Deviation Single O.D. Variation Mean O.D. Variation Width Variation Radial Runout Face Runout /O.D. Face Runout/ Raceway 7,8,9 open 0 open 2,3 open 0,2,3 ZZ,2RS P0 +0/-9 12 9 7 12 7 (2) 15 - - P6 +0/-8 10 8 6 10 6 (2) 9 - - P5 +0/-6 6 5 5 - 3 5 6 8 8 P4 +0/-5 5 4 4 - 2.5 2.5 4 4 5 (2) same as inner ring value (i) Outer Ring– over 30mm up to 50mm O.D. (Tolerances in .001 mm) Grade Mean O.D. Deviation Single O.D. Variation Mean O.D. Variation Width Variation Radial Runout Face Runout /O.D. Face Runout/ Raceway 7,8,9 open 0 open 2,3 open 0,2,3 ZZ,2RS P0 +0/-11 14 11 8 16 8 (2) 20 - - P6 +0/-9 11 9 7 13 7 (2) 10 - - P5 +0/-7 7 5 5 - 4 5 7 8 8 P4 +0/-6 6 5 5 - 3 2.5 5 4 5 (2) same as inner ring value (j) Outer Ring– over 50mm up to 80mm O.D. (Tolerances in .001 mm) Grade Mean O.D. Deviation Single O.D. Variation Mean O.D. Variation Width Variation Radial Runout Face Runout /O.D. Face Runout/ Raceway 7,8,9 open 0 open 2,3 open 0,2,3 ZZ,2RS P0 +0/-13 16 13 10 20 10 (2) 25 - - P6 +0/-11 14 11 8 16 8 (2) 13 - - P5 +0/-9 9 7 7 - 5 6 8 8 10 P4 +0/-7 7 5 5 - 3.5 3 5 4 5 (2) same as inner ring value Flange Tolerances (k) All Sizes (Tolerances in .001 mm) Grade Mean O.D. Deviation Mean Width Deviation P0 +125/-50 +0/-50 P6 +125/-50 +0/-50 P5 +0/-25 +0/-50 P4 +0/-25 +0/-50 Thrust Bearing Tolerances (l) All Sizes (Tolerances in .001 mm) Grade Mean Bore Deviation Mean Bore2 Deviation Mean O.D. Deviation Mean O.D.2 Deviation (1) Mean Height Deviation P0 +0/-8 +0/-50 +0/-11 -5/-20 +0/-075 (1) Japanese thrust bearings with grooved washers have a smaller OD on one washer. The Chinese version do not.