PTI Bearing Catalog - Norfolkbearings.com

Metric Sprockets
ISO 085B Hub Type B
DIN 8187/ISO R 606
Chain Size: 085B-1 (1/2” x 1/4”)
Pitch: 12.7 mm
Roller Width: 6.4 mm
Roller Dia.: 7.75 mm
Spkt. Width: 5.9 mm (bf 1 )
Material: Steel C45
Part No.
Teeth
d o
mm
d k
mm
d n
mm
d 1
mm
d 2
mm
L
mm
085B-8B 8 33.18 39.5 20 10 16 25 0.06
085B-9B 9 37.13 43.4 24 10 18 25 0.08
085B-10B 10 41.10 47.4 26 10 21 25 0.10
085B-11B 11 45.07 51.4 29 10 23 25 0.15
085B-12B 12 49.07 55.4 33 10 26 25 0.20
085B-13B 13 53.06 59.4 37 10 28 28 0.25
085B-14B 14 57.07 63.4 41 10 31 28 0.30
085B-15B 15 61.09 67.4 45 10 31 28 0.40
Wt.
kg
085B-16B 16 65.01 71.4 50 12 35 28 0.50
085B-17B 17 69.11 75.4 52 12 38 28 0.50
085B-18B 18 73.14 79.4 56 12 40 28 0.60
085B-19B 19 77.16 83.5 60 12 42 28 0.70
085B-20B 20 81.19 87.5 64 12 44 28 0.80
085B-21B 21 85.22 91.5 68 12 44 28 0.80
085B-22B 22 89.24 95.5 70 14 44 28 0.90
085B-23B 23 93.27 99.6 70 14 44 28 1.00
085B-24B 24 97.29 103.6 70 14 44 28 1.10
085B-25B 25 101.33 107.6 70 14 44 28 1.15
085B-26B 26 105.36 111.7 70 15 44 30 1.20
bf 1
085B-27B 27 109.40 115.7 70 15 44 30 1.30
085B-28B 28 113.42 119.7 70 15 44 30 1.35
085B-29B 29 117.46 123.8 80 15 50 30 1.40
085B-30B 30 121.50 127.8 80 15 50 30 1.50
085B-31B 31 125.54 131.8 90 15 56 30 1.60
085B-32B 32 129.56 135.9 90 15 56 30 1.73
d n d 2
d 1
d o
d k
085B-33B 33 133.60 139.9 90 15 56 30 1.77
085B-34B 34 137.64 143.9 90 15 56 30 1.85
085B-35B 35 141.68 148.0 90 15 56 30 1.82
085B-36B 36 145.72 152.0 90 15 56 35 2.00
085B-37B 37 149.76 156.1 90 15 56 35 2.16
085B-38B 38 153.80 160.1 90 15 56 35 2.20
L
085B-39B 39 157.83 164.1 90 15 56 35 2.23
085B-40B 40 161.87 168.2 90 15 56 35 2.27
Note: Hardened Teeth and Finished Bore available on request.
P.T. International Corp. 342