Product> 68 series
68 series

Dimention >> Other Parameters >>

Any combination of closures is available

Basic
Bearing
No.

Nominal Bearing Dimensions

Preferred Shoulder Diameters

d

D

B

r (min)

da (min)

da (max)

Da (max)

Open Shielded sealed

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

685

5 0.1969 11 0.4331 3 0.1181 5 0.1969 0.15 0.006 6.2 0.244 6.2 0.244 9.9 0.390

686

6 0.2362 13 0.5118 3.5 0.1378 5 0.1969 0.15 0.006 7.4 0.291 7.4 0.291 11.7 0.461

687

7 0.2756 14 0.5512 3.5 0.1378 5 0.1969 0.15 0.006 8.5 0.335 8.5 0.335 12.7 0.500

688

8 0.3150 16 0.6299 4 0.1575 5 0.1969 0.20 0.008 ... ... ... ... ... ...

689

9 0.3543 17 0.6693 4 0.1575 5 0.1969 0.20 0.008 10.7 0.421 10.7 0.421 15.2 0.598

6800

10 0.3937 19 0.7480 5 0.1969 5 0.1969 0.30 0.012 12.0 0.472 14.0 0.551 17.8 0.700

6800W7

10 0.3937 19 0.7480 7 0.2756 7 0.2756 0.30 0.012 ... ... ... ... ... ...

6801

12 0.4724 21 0.8268 5 0.1969 5 0.1969 0.30 0.012 14.0 0.551 14.5 0.571 19.0 0.748

6802

15 0.5906 24 0.9449 5 0.1969 5 0.1969 0.30 0.012 17.0 0.669 17.5 0.689 22.0 0.866

6803

17 0.6693 26 1.0236 5 0.1969 5 0.1969 0.30 0.012 19.0 0.748 19.5 0.768 24.0 0.945

6804

20 0.7874 32 1.2598 7 0.2756 7 0.2756 0.30 0.012 22.0 0.866 22.5 0.886 30.0 1.181

6805

25 0.9843 37 1.4567 7 0.2756 7 0.2756 0.30 0.012 27.0 1.063 28.0 1.102 35.0 1.378

6806

30 1.1811 42 1.6535 7 0.2756 7 0.2756 0.30 0.012 32.0 1.260 33.0 1.299 40.0 1.575

6807

35 1.3780 47 1.8504 7 0.2756 7 0.2756 0.30 0.012 37.0 1.457 38.0 1.496 45.0 1.772

6808

40 1.5748 52 2.0472 7 0.2756 7 0.2756 0.30 0.012 42.0 1.654 43.0 1.693 50.0 1.969

6809

45 1.7717 58 2.2835 7 0.2756 7 0.2756 0.30 0.012 47.0 1.850 48.0 1.890 56.0 2.205

6810

50 1.9685 65 2.5591 7 0.2756 7 0.2756 0.30 0.012 52.0 2.047 54.0 2.126 63.0 2.480

☆We reserve the right to change specifications and other information included in this catalogue without notice.

Basic
Bearing
No.

Basic Load
Ratings (lbs)

Factor

Limiting Speeds
(1000 RPM)

Ball
Complement

Bearing Weight
(Approx.)

Cr 
KN

Cor
KN

fo

Grease
rpm

Oil
rpm

No.

Size
mm

Weight
Ibs kg
685 0.715 0.282 12.7 46000 54000 8 1.588 0.0053 0.0024
686 1.080 0.440 13.1 40000 50000 8 2.000 0.0059 0.0027
687 1.170 0.510 13.6 39000 49000 9 2.000 0.0066 0.0030
688 1.330 0.585 14.0 37000 45000 9 2.381 0.0088 0.0040
689 1.720 0.820 14.4 35000 42000 11 2.000 0.0088 0.0040
6800 1.830 0.925 14.8 33000 40000 9 2.381 0.0110 0.0050
6800W7 1.830 0.925 15.0 33000 40000 9 2.381 0.0132 0.0060
6801 1.920 1.040 15.3 32000 38000 12 2.381 0.0132 0.0060
6802 2.080 1.260 15.8 28000 32000 14 2.381 0.0154 0.0070
6803 2.810 1.720 16.1 25000 30000 15 2.381 0.0176 0.0080
6804 4.010 2.470 15.5 23000 28000 13 3.500 0.0330 0.0150
6805 4.310 2.950 16.1 18000 23000 15 3.500 0.0440 0.0200
6806 4.700 3.620 16.5 16000 19000 18 3.500 0.0550 0.0250
6807 4.900 4.050 16.7 13000 17000 22 3.175 0.0638 0.0290
6808 5.100 4.400 17.0 12000 15000 24 3.175 0.0726 0.0330
6809 6.400 6.100 17.2 11000 13000 27 3.175 0.0880 0.0400
6810 6.670 6.800 17.2 9600 11000 24 3.969 0.1144 0.0520

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