PTI Bearing Catalog - Norfolkbearings.com

Metric Sprockets
ISO 08B-2 and 08B-3 Hub Type B
bf 2
bf 3
d n d2
d1
d o
d k
d n d2
d1
d o
d k
L
L
Chain Size: 08B-2 (1/2” x 5/16”) Chain Size: 08B-3 (1/2” x 5/16”)
Spkt Width: 21mm (bf 2 )
Spkt Width: 34.9mm (bf 3 )
Part No.
Teeth
d o
mm
d k
mm
P.T. International Corp.
d n
mm
d 1
mm
d 2 *
mm
L
mm
Weight
kg
08B-2-8B 8 33.18 37.2 20 10 12 32 0.07
08B-2-9B 9 37.13 41.0 24 10 14 32 0.10
08B-2-10B 10 41.10 45.2 28 10 16 32 0.15
08B-2-11B 11 45.70 48.7 32 12 18 35 0.22
08B-2-12B 12 49.07 53.0 35 12 20 35 0.29
08B-2-13B 13 53.06 57.4 38 12 23 35 0.35
08B-2-14B 14 57.07 61.8 42 12 26 35 0.43
08B-2-15B 15 61.09 65.5 46 12 28 35 0.50
08B-2-16B 16 65.10 69.5 50 14 31 35 0.60
08B-2-17B 17 69.11 73.6 54 14 34 35 0.74
08B-2-18B 18 73.14 77.8 58 14 36 35 0.79
08B-2-19B 19 77.16 81.7 62 14 39 35 0.90
08B-2-20B 20 81.19 85.8 66 14 41 35 1.10
08B-2-21B 21 85.22 89.7 70 16 44 40 1.30
08B-2-22B 22 89.24 93.8 70 16 44 40 1.34
08B-2-23B 23 93.27 98.2 70 16 44 40 1.45
08B-2-24B 24 97.29 101.8 75 16 47 40 1.59
08B-2-25B 25 101.33 105.8 80 16 50 40 1.80
08B-2-26B 26 105.36 110.0 85 20 53 40 1.95
08B-2-27B 27 109.40 114.0 85 20 53 40 2.05
08B-2-28B 28 113.42 118.0 90 20 56 40 2.26
08B-2-29B 29 117.46 112.0 95 20 60 40 2.46
08B-2-30B 30 121.50 126.1 100 20 63 40 2.65
08B-2-31B 31 125.54 130.2 100 20 63 40 2.83
08B-2-32B 32 129.56 134.3 100 20 63 40 3.00
08B-2-33B 33 133.60 138.4 100 20 63 40 3.10
08B-2-34B 34 137.64 142.6 100 20 63 40 3.25
08B-2-35B 35 141.68 146.7 100 20 63 40 3.35
08B-2-36B 36 145.72 151.0 110 20 70 40 3.50
08B-2-37B 37 149.76 154.6 110 20 70 40 3.65
08B-2-38B 38 153.80 158.6 110 20 70 40 3.75
08B-2-39B 39 157.83 162.7 110 20 70 40 4.00
08B-2-40B 40 161.87 166.8 110 20 70 40 4.25
*Note: Approximate max bore, consult PTI for larger sizes.
346
Part No.
Teeth
d o
mm
d k
mm
d n
mm
d 1
mm
d 2 *
mm
L
mm
Weight
kg
08B-3-8B 8 33.18 37.2 20 10 12 46 0.17
08B-3-9B 9 37.13 41.0 24 12 14 46 0.20
08B-3-10B 10 41.10 45.2 28 12 16 46 0.24
08B-3-11B 11 45.07 48.7 32 14 18 50 0.38
08B-3-12B 12 49.07 53.0 35 14 20 50 0.39
08B-3-13B 13 53.06 57.4 38 14 24 50 0.47
08B-3-14B 14 57.07 61.8 41 14 25 50 0.60
08B-3-15B 15 61.09 65.5 46 14 28 50 0.70
08B-3-16B 16 65.10 69.5 50 16 31 50 0.85
08B-3-17B 17 69.11 73.6 54 16 32 50 0.98
08B-3-18B 18 73.14 77.8 58 16 36 50 1.15
08B-3-19B 19 77.16 81.7 62 16 40 50 1.30
08B-3-20B 20 81.19 85.8 66 16 41 50 1.45
08B-3-21B 21 85.22 89.7 70 20 44 55 1.70
08B-3-22B 22 89.24 93.8 70 20 44 55 1.85
08B-3-23B 23 93.27 98.2 70 20 44 55 2.00
08B-3-24B 24 97.29 101.8 75 20 47 55 2.25
08B-3-25B 25 101.33 105.8 80 20 50 55 2.50
08B-3-26B 26 105.36 110.0 85 20 53 55 2.78
08B-3-27B 27 109.40 114.0 85 20 53 55 2.95
08B-3-28B 28 113.42 118.0 90 20 56 55 3.23
08B-3-29B 29 117.46 122.0 95 20 60 55 3.50
08B-3-30B 30 121.50 126.1 100 20 63 55 3.80
08B-3-31B 31 125.54 130.2 110 20 70 55 4.30
08B-3-32B 32 129.56 134.3 110 20 70 55 4.50
08B-3-33B 33 133.60 138.4 110 20 70 55 4.72
08B-3-34B 34 137.64 142.6 110 20 70 55 4.95
08B-3-35B 35 141.68 146.7 110 20 70 55 5.15
08B-3-36B 36 145.72 151.0 120 25 76 55 5.62
08B-3-37B 37 149.76 154.6 120 25 76 55 5.85
08B-3-38B 38 153.80 158.6 120 25 76 55 6.15
08B-3-39B 39 157.83 162.7 120 25 76 55 6.38
08B-3-40B 40 161.87 166.8 120 25 76 55 6.60